如何区别As is known to all与It is known to all?

问题描述:

如何区别As is known to all与It is known to all?

since的语气比because弱,但比as强.since和as引导的从句一般放在句子的开头.since和as的主要区别是:用as引导原因从句语气较弱,所说明原因是附带,而since表示原因暗示着是稍加分析之后才能推断出来原因.\x0d引导原因...