后面可以接短语也可以接句子。例如:He has been out of work since last year。以及He has been out of work since he lost his job last year。since的意思是自从、此后。
后面可以接短语也可以接句子。例如:He has been out of work since last year。以及He has been out of work since he lost his job last year。since的意思是自从、此后。