by coincidencei和n coincidence的区别in coincidence

问题描述:

by coincidencei和n coincidence的区别
in coincidence

by coincidencei应该是coincidence, by coincidence碰巧
coincidence:重合,符合,一致
in good coincidence with; 一致
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杭州图书馆

by coincidence===巧合的
in coincidence===一致,同步的