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売買, ばいばい
1. trade, buying and selling, trafficking (e.g. of humans, arms, drugs), dealing
买卖:贸易、贩运(例如人口、武器、毒品)、交易
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変わる, 変る, かわる
1. to change, to be transformed, to be altered, to vary
2. to move to
3. to be different, to be uncommon, to be unusual
改变,变化
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追加, ついか
1. addition, supplement, appending, appendix
追加