courtesy n.礼貌,谦恭,好意优待,礼貌...by courtesy of 蒙...好意...blind courtesy copy 盲目抄送...by courtesy 礼貌起见为表示礼貌起见,承蒙好...tenant by courtesy 继承亡妻遗产的男人...courtesy copy 抄件...drop a courtesy 行屈膝礼...
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