笔记：pull out 退出 字面意思是拔出来，拉出来，所以就表示退出，离开，或者还有撤资这个意思，to decide not to do something that you had intended to do or started to do. The buyers of the house pulled out at the last minute. 房子买家在最后一刻退出了。 Before the company went bankrupt, he pulled out. 他在公司破产之前离开了。