unless用法you old computer doesn't work/you needn't buy a new one用unless连接另外,请问unless能否主句从句都为否定?

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unless用法youoldcomputerdoesn''twork/youneedn''tbuyanewone用unless连接另外,请问unless能否主句从句都为否定?unless用法youoldc

unless用法you old computer doesn't work/you needn't buy a new one用unless连接另外,请问unless能否主句从句都为否定?
unless用法
you old computer doesn't work/you needn't buy a new one
用unless连接
另外,请问unless能否主句从句都为否定?

unless用法you old computer doesn't work/you needn't buy a new one用unless连接另外,请问unless能否主句从句都为否定?
语法标注解释 unless英音:[ən'les]美音:[ʌn'lɛs]
以下结果由译典通提供词典解释
连接词 conj.
1.如果不,除非
I won't apologize unless she apologizes first.
除非她先道歉,否则我不道歉.
介词 prep.
1.除.之外
1.如果不;除非
unless如果不;除非

记住 unless 前是这件事的结果,后面是这件事的解决办法