重点讲解：
1. have got to do sth.
口语用法，含义与have to do sth. 相同，表示不得不，必须做某事；
eg. You may not like him, but you have got to admire his persistence.
你可以不喜欢他，但你不得不佩服他那种坚韧不拔的精神。
eg. I couldn't have got to the meeting on time if I had not caught an earlier train.
要是我没有赶上早一班火车,我就不可能及时到会了。
eg. What you've got to have is that way of looking at a situation that varies depending on the circumstances which you are in.
你必须具备的是,观察形势的视角要随着你所处的环境而变化。
2. pick up
接载，取走；
eg. We drove to the airport the next morning to pick up Susan...
我们第二天早晨开车去机场接苏姗。
eg. She went over to her parents' house to pick up some clean clothes...
她去了趟父母家取些干净衣服。
eg. I picked her up at Covent Garden to take her to lunch with my mother.
我在科文特花园接上了她，然后带她和我母亲一起去吃午饭。