1. because of : because后接的是一个句子(主谓宾);because of 后一般直接跟名词。例如: ?Because of the increasing number of machine—and as we noted before, machines magnify human effort—then anyone using a machine can get a higher wage than anyone no...
至于for, 它是并列连词 (其余三者为从属连词),它有时可表示因果关系 (通常要放在主句之后,且可与 because 换用);有时不表示因果关系,而是对前面分句内容的解释或推断 (也要放在主句之后,但不能与 because 换用)。试比较。如(www.nmet168.com):
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