没有！since的意思是：prep.自从;自…以后;从…以来;(表示气愤)何曾，什么时候。conj.因为;由于;既然;从…以后;自…以来。adv.自…以后;从…以来;此后;后来。
例句：1.You've grown since the last time I saw you!
自从我上次见到你后，你又见长了！
2.He argued that the issue had become moot since the board had changed its policy.
他争辩说这项议题已变得毫无实际意义，因为董事会已经改变了政策。
3.Since I'll be away, I'd like to reschedule the meeting
既然我到时候不在，我想重新安排一下会议的时间。
匿名回答于2021-09-05 20:27:29
