____: v. be used instead of sth./sb. else, put sb./sth. new in the place or position of sb./sth. 取代
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____: n. a fight, battle or struggle, a state of opposition between ideas, interests, etc. 冲突,矛盾
____: v. give special attention to (sth.); emphasize 使突出;强调n. sth. very interesting, exciting or important, the best part of sth. 主要部分,提要