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如果没有如果
LV8 2019-03-25
Besides, syntax is sometimes also arbitrary, for example, we can say “He came in and sat down” or “He sat down after he came in”. (6 points) But language is not absolutely arbitrary, because there are cases where there are, at least seem to be, some sound-meaning association, if we think of echo words like “bang”,“crash”, “roar”, which are motivated in a certain sense.