◎ 留成,留成儿 liúchéng,liúchéngr[retain a certain percentage for the unit that produces the profit;deduct a percentage (from a sum of money etc.)] 按一定成数从钱财的总数中留下来 利润留成-----------------国语辞典:企业或团体按一定比例提取利润或保留的产品。英语 to retain a portion (of profits etc)法语 portion retenue (d'une somme d'argent), retenir un pourcentage (d'une recette)
◎ 留门 liúmén[leave a door unlocked] 为等某人回来而不锁门-----------------国语辞典:夜晚不锁门。《喻世明言.卷一五.史弘肇龙虎君臣会》:「大伯,我欠了店上酒钱,没得得还。你今夜留门,我来偷你锅子。」《红楼梦.第七二回》:「又彼此生怕父母不从,二人便设法,彼此里外买嘱园内老婆子们留门看道。」