by和until的用法?by和until在用法上有什么具体区别?什么时候用只能用by,什么时候只能用until?
网友回答
by:before or not later than a particular time:
until:if something happens until a particular time,it continues and then stops at that time:
until主要强调动作的持续性,by只是强调before
你可以去下载电子版的longman dictionary of contemporary english 5th edition
可能英英不适合阅读,但是解释得很清楚