请教OG13 SC107，谢谢各位

stephysit

jiaoguitar 发表于 2012-7-12 02:06
不用for的话原句变成cost of running nuclear plants is about the same as other types of power plants， ...

那怎么不用of 而用for？

stephysit

barrymachine 发表于 2012-12-29 11:52
看了其他人的帖子我概括一下下：(A) While it costs about the same to run nuclear plants as other ty ...

好像懂了  是那么一回事~ 谢谢