问题描述:
be beneficial to 后面接动词,是用动词原形还是动词ing形式?
be beneficial to do sth.还是be beneficial to doing sth.
be detrimental to后面接动词,也跟be beneficial to的用法一样吗?
be beneficial to do sth.还是be beneficial to doing sth.
be detrimental to后面接动词,也跟be beneficial to的用法一样吗?
问题解答:
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