9.6 分詞作插入語
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　　其結(jié)構(gòu)是固定的，意思上的主語并不是句子的主語。
　generally speaking　一般說來
　talking of (speaking of) 說道
　strictly speaking 嚴(yán)格的說
　judging from 從…判斷
　all things considered 從整體來看
　taking all things into consideration　全面看來

　　Judging from his face, he must be ill.　從他的臉色看，他一定是病了。
　　Generally speaking, dogs can run faster than pigs. 總的來說，狗比豬跑得快。 (speaking 并不是dogs 的動作)