unless是从属连词，引导条件状语从句。例句：Have a cup of tea—unless youd prefer a cold drink? 喝杯茶吧—除非你喜欢冷饮？Unless Im mistaken, she was back at work yesterday. 除非是我记错了，她是昨天回来上班的。
相关介绍：
He resolutely refused to speak English unless forced to.
除非被逼迫，他坚决拒绝说英语。
Why did you need a room unless you were up to something?
除非你要捣什么鬼，不然为什么需要一个房间呢？
Recovery can't be sustained unless more jobs are created.
除非有更多的工作机会被创造出来，否则复苏无法保持下去。
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本文概览：相关介绍：He resolutely refused to speak English unless forced to.除非被逼迫，他坚决拒绝说英语。Why did you need a room unless you were up t