【正文】 leasure in doing(something)。To be pleased to(with)(by)。to be delighted at(in)(with)。To be glad to(of)(about)。To be rejoiced in(at).13隨函附件Enclose。，立刻Urgently。Promptly。Immediately。With all speed。At once。With dispatch。With all despatch。With the quickest possible despatch。With the least possible delay。As soon as possible。As quickly as possible。As promptly as possible。At one39。s earliest convenience。At the earliest possible moment。At an early date。Without delay。Without loss of time。Immediately on receipt of this letter。By express messenger。By Special messenger。By special delivery。By express By return。By return of post。By return of mail。By return of According to。Agreeably to。Conformably to。pursuant to。In accordance with。In conformity with(to)。In obedience to。In deference to。In pliance with。In agreement with。In pursuance ...，關(guān)于About。Regarding。Concerning。As to。As regards。With regard to。In regard to。(of)。Respecting。Relative to。Anent。In connection with。Referring to。With reference to。In reference to。To be due。To fall due(bee)due（日期將到）。Duly（正時，及時）；In due Course（依照順序）.19每個，按照，通過Per(=by, through)rail.(post,mail,steamer)（通過鐵路，郵政，輪船）Per pro.= by proxy（由代理）Per annum（=yearly，每年）Per mensem(=monthly,每月)Per diem [daiem](=daily,每日)Per man, per capital(=per head,依照人數(shù)，每一人）Per piece（每一個，每一件）20表示抱歉（冒昧做了某事）To take the liberty of doing something。To take the liberty to do something。To take the liberty in doing ，請包涵To regret。To be sorry。To be chagrined。To be mortified。To be vexed。To regret to say。To be sorry to say。To one39。s regret。To feel a great regret for。To express regret。To be regretted。To be a matter for regret。To be regrettable。To be （我們）對于??甚感榮幸To have the honour of doing(being)。To have the honour to do(be)。To do one(oneself)the honour of doing(being)。To esteem(regard)it as a high honour to do(be)。To appreciate the honour to do(be)。To feel honoured to do(be)。To owe one a debt of honour to do(be)。To be honoured with doing(being)something。To honour one with doing(being)Please。Kindly。be good enough。Be kind enough。Have the ，衷心感謝等To thank。To be(feel)thankful。To be(feel)grateful。To be obliged。To be indebted。To esteem(it)a favour(privilege)。To give(tender, return)one39。s thanks。To express one39。s gratitude(appreciation)。To tender one39。s sincere thanks for。To be overwhelmed with Noun:（請吩咐）Command。Order。ServiceVerb:（服務(wù)）To mand。To order。To serve。To be at one39。s service。To render service to one。To do one a service。To be of service to .There are some good reasons for?分析原因：two possible人民生活狀況的改善原因有兩點。首先，我們一直在貫徹執(zhí)行改革開放政策。其次，國民經(jīng)濟(jì)正在迅速發(fā)展，而且出生率已經(jīng)得到控制。There are two reasons for the improvement in people39。s living the first place, we have been carrying out the reform and openingup , there has been a rapid expansion of our national , the birth rate has been put under suggestions to deal with the problem are as the first place,? Secondly, ?Finally?提出建議：我對解決這個問題的建議如下。首先，迫在眉睫的是建立自然保護(hù)區(qū)。其次，有些瀕臨滅絕的珍稀野生動物應(yīng)該收捕、人工喂養(yǎng)并繁殖。最后，對于捕獵珍稀野生動物的人必須嚴(yán)懲。My suggestions to deal with the problem are as begin with, it is urgent to create nature , certain rare wild animals that are going to be extinct should be collected, fed and reproduced , those who hunt them must be punished people have different opinions on this people believe that ? Others problem, matter, argue that ? Still others assert that?論述不同看法：人們對失敗持有不同的態(tài)度。面對失敗，有人能夠經(jīng)得起考驗，從失敗中汲取教訓(xùn)，并努力去完成他們下定決心要做的事情。然而，另一些人卻喪失信心并退卻了。People differ in their attitudes towards with it, some of them can stand up to useful lessons from it and try hard to fulfill what they are determined to , however, lose heart and give is important(nessary, urgent, difficult, easy, expensive, desirable, abvisable, convenient, fortable)for do ：人們希望建立更多的醫(yī)院、購物中心、娛樂中心、電影院和其他公用設(shè)施來滿足人民日益增長的需求。It is desirable to build more hospitals, shopping centres, recreation centres, cinemas and other public facilities to meet the growing needs of a popular saying goes “Everything has two sides.”分析利弊：常言道：“事物總是一分為二的”。如今人們從科技發(fā)明中得到越來越多的好處。另一方面，科技進(jìn)步也給我們帶來了許多麻煩。現(xiàn)在許多國家的人民飽嘗公害之苦。As a popular saying goes, “Everything has two sides.” Now people(the public)are benefiting more and more from scientific and technological the other hand,the progress of science and technology is bringing us a lot of in many countries are suffering from public example, ?舉例闡述：For instance, ?Let”s take ?for 。汽車不僅污染城市空氣，而且使城市擁擠不堪。此外，汽車造成許多交通事故。汽車所產(chǎn)生的噪音使居住在街道兩旁的居民日夜不得安寧。Let39。s take cars for not only pollute the air in cities, but make them ,they cause a lot of traffic accidents.(?, they are responsible for a lot of traffic accidents.)The noise made by cars disturbs the residents living on both sides of streets all day and is generally believed that ?accepted引證觀點：人們普遍認(rèn)為，在發(fā)達(dá)國家人口增長的主要原因與其說是出生率的上升，還不如說是由于醫(yī)療保健的改善的使死亡率下降了。It is generally believed(=thought)that the chief reason for the increase in population in developed coutries is not so much the rise in birth rates as the decline in death rates as a result of the improvement in medical 、范文和寫作要領(lǐng).USEFUL EXPRESSIONS 常用語 to start your letter?You have not responded in any way to our recent letters about your past due remind you once more of your open account that is now ____ days beyond our ____day account is still unpaid in spite of our continual reminders asking for payment or an explanation for your urgently request that you immediately pay your balance of ______, which has been outstanding since _______[date] despite several notices from to warn the recipient against further delay?You must realize that we cannot afford to carry this debt on our books any further delay in paying your balance due cannot be can no longer delay payment if you wish to keep your account next step is to take legal action to collect the money due is unpleasant for both of us and is damaging to your credit to specify your deadline or demand immediate payment?We must now insist that you send you payment within the next five I receive your remittance within the next three days,