不非的英文单词

Don't have to + 动词原形例如：You don't have to come here. 你不一定非得来这里。

don't have to do something

unless

|ənˈles|

conj.  除非

用法：

You won't get paid for time off unless you have a doctor's note.

除非你有医生证明，否则你不上班便拿不到工资。

Unless I'm mistaken, she was back at work yesterday.

除非是我记错了，她是昨天回来上班的。

unless 英 [ənˈles] 美 [ʌnˈlɛs] conj. 除非，如果不; prep. 除了，…除外; [例句]Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high.

你好，是unless

除非 （unless）英音：[ən'les] 美音：[ʌn'lɛs][例句]除非在这里修个水库，才能解决灌溉问题。Only when a reservoir is built here can we solve our irrigation problem.