as being less efficient than in | |
as less efficient than it is in | |
as less efficient than that of | |
to be less efficient than that of | |
to have been less efficient than it is in |
nickychen 发表于 2013-8-13 20:27
as 是 regard as习语的一部分,和than没有关系。D就错在regard to be错误。
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