So we go, of course, to the pub. All right?  The one on the left is mine, okay?  Now, I tell them, a paper has four different sections: an introduction, a methods, a results, a discussion.
所以我们去了，当然啦，去了夜店。 左边的那个杯子是我喝的，看到了？ 现在，我告诉他们，一份报告由四部分组成： 引言，方法，结论，讨论。