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way of meeting certain social goals. (2) 觀察;仔細(xì)看 Thousands of tourists e to view the gardens every year. 21. vacant adj. (1) 空的 Only a few apartments were still vacant. (2) 空缺的(職位) 搭配 : fall vacant (.) (=bee vacant) He was offered the position of headmaster when it fell vacant. (3) 神情茫然的;頭腦空虛的 He gazed at me with vacant eyes. (4) 空閑的 a vacant life 22. wisdom n. [ U] (1) 智慧;才智 Local people are questioning the wisdom of spending so much money on a new road. (2) 知識(shí);學(xué)問(wèn) Younger generations are benefiting from the collected wisdom of many centuries. 23. witness n. (1) [ C]目擊者 One witness to the accident said the driver appeared to be drunk. (2) [ C]證人 The defense is expected to call them as witnesses. vt. (1) 目擊 Several residents claim to have witnessed the attack. (2) 親眼見(jiàn)到 Priests have witnessed an increase in religious intolerance. (3) 見(jiàn)證 Recent years have witnessed the collapse of the steel industry. 感謝觀賞! 。 vt. 改變;轉(zhuǎn)變 She worked as a librarian before switching to journalism. (2) vt. 更換 Tim may switch his BMW for something else. (3) vi. amp。C]生計(jì);生活費(fèi) The European Union is considering whether to provide financial support for the expedition. (3) [ Uamp。 to separate one type of thing from another。 Donna did not dare settle herself too fortably into her seat, in case she fell