如题所述
unless 可以做连接词表示“如果不,除非”,以及介词“除...外”。英语解释为 if...not...。
例如:Please don't come unless you have money. = Please don't come if you do not have money on you.
例如:Please don't come unless you have money. = Please don't come if you do not have money on you.
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