No, thank you. It's too late. I really have to go.
不,谢谢。太晚了,我真的该走了。
I can only try to justify what I did.
我唯有坚持自己所做的事是正确的。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.