OG-15用了distinguish between x and y. 但为什么不可以用distinguish x from y呢?这两者有何区别呢?
以前讨论过很多,可以搜索一下旧帖,比如:
http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=63699
http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=34951
http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=24696
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