單詞用法
CONJ You use unless to introduce the only circumstances in which an event you are mentioning will not take place or in which a statement you are making is not true. 除非; 如果不
短語搭配
not unless 除非
unless lease （油）除非租約
Unless Otherwise 除非；除非另有；除非另；除非另……
unless and until 直到…才
雙語例句
I won't tell them—not unless you say I can.
我絕不告訴他們—除非你允許。
That's the plan—unless anything untoward happens.
計劃就這麼定了—除非出現異常情況。
Training is worthless unless there is proof that it works.
訓練并無價值，除非證明其有效。
