When Swann agrees, Tony explains his plan: the following evening he will take Mark to a party, leaving Margot at home and hiding her latchkey outside the front door of their flat.
斯旺同意后，托尼解释了他的计划：第二天晚上他会带马克参加一个派对，留下玛格特在家，并将她的门锁钥匙藏在他们公寓的前门外。