A:我希望你別太自私。
B:Selfishness is one of human being's instincts. It is very difficult to get it out root and branch.
B:自私是人類的本性之一,想連根拔除是很難的。
A:But you should at least consider your son's future.
A;但是你起碼得替你兒子的未來想想。
B:His mother, not me, should do this.
B:是她媽媽應該這么做,不是我。