When the fun of double dating begins to grow old, Richard and Bettina share a dirty little secret with their friends Diego and Emilia: They live a double life as swingers, and would love to share this practice with them. 　　译文(2): 当双重约会的乐趣开始变老时，理查德和贝蒂娜与他们的朋友迭戈和艾米莉亚分享了一个肮脏的小秘密: 他们作为换妻者过着双重生活，并愿意与他们分享这种做法。