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西。regret having done sth. =regret doing sth. 后悔做了某事。eg: Many people regret having bought something they don’t need.= Many people regret buying something they don’t need.2) Well, I’ll start with some tips on how to shop effectively in stores or supermarkets.那好,我就先給出一些關(guān)于在商場或者超市有效購物的建議。start with: 從……開始3) With shopping list, you know what you exactly need and avoid buying those you don’t need. 有了購物清單,你就知道什么你需要什么你不需要。avoid doing sth. :避免做某事。4) Before going out, figure out how much money you need based on your shopping list. 出門前,根據(jù)購物清單估算一下需要多少錢。① figure out: 計算出,解決,弄明白,想出figure out the problems: 解決問題,但要是賓語是代詞的話,通常放在中間,如figure it out.② Be based on: 以……為根據(jù)5) rather than:是……而不是……,與其……不如……① 它連接的并列成分可以是名詞、代詞、形容詞、介詞短語、動名詞、分句、不定式、動詞等。要注意的是rather than 連接兩個名詞或代詞作主語時,謂語動詞應(yīng)與rather than 前面的名詞或代詞在人稱和數(shù)上保持一致。 eg: You rather than I are going to go camping. 是你而不是我要去要野營。② rather than 與would 連用時,構(gòu)成“would rather...than...”或者“would…rather than…”句式,意思是“寧愿……而不愿……”,表示主觀愿望,即在兩者之中選擇其一。例如:eg: She39。d rather die than lose the children. =She would die rather than lose the children.她寧愿死也不愿失去孩子們。6) Fair enough:說的有道理Step 4: Assignment Review the new words and sentences we learned today.Preview the “Reading and Writing” part in this unit.Finish the exercise book.