once 有一次 和 一旦 两个意思
楼主是 因为 一旦 这个意思 和as long as纠结了吧.
once 用意为一旦时候 ,强调 条件完成
as long as 意为只要,强调 要有这个条件
once和as long as 的用法区别
2个回答
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