时间:2021-07-18 23:51:08
表示必须,紧急,有困难做某事的句式:
1) It is important (necessary, urgent, difficult, easy, convenient, comfortable, expensive, desirable, advisable) for sb. to do sth.
2) ...have trouble/difficulty/a hard time/a difficult time (in) doing sth. (有困难做某事)
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