短语
中文翻译：如果不然
同义词：
['if not', 'unless']
例句：
-
1.If you don't hurry, we'll be late for the meeting.
如果你不快点，我们就开会迟到了。
-
2.Unless you finish the work, I won't give you the bonus.
除非你完成工作，否则我不会给你奖金。
-
3. If it weren't for your help, I wouldn't have passed the exam.
如果不是你帮忙，我就不会通过考试了。