what do you mean to say that

改错.1,what do you mean to say that?2,he has devoted his whole life benefiting mankind.
请顺便解析为什么要这么改的原因

第1个回答  2019-01-13
1.
what do you mean by saying that?
翻译:你说这话什么意思啊?
这个是一个固定的句式,没有太多道理,记住就好了.
2.
he has devoted his whole life to benefiting mankind.
翻译:他将他的一生献给了造福人类.
这里考察devote oneself to doing 的用法,所以benefit要用现在分词形式benefiting,不能用benefited.
望采纳,谢谢~~