when引导的表语从句
1、Some people don't know when they're well off.有些人身在福中不知福。 2、I didn't use to like him much when we were at school.以前我们是同学时，我并不太喜欢他。 3、It was a difficult situation， when you think about it.仔细想来，当时的处境是很困难的...
1、Some people don't know when they're well off.有些人身在福中不知福。 2、I didn't use to like him much when we were at school.以前我们是同学时，我并不太喜欢他。 3、It was a difficult situation， when you think about it.仔细想来，当时的处境是很困难的...