The most important experience recently is doing the presentation in my development economics class. In that class, I get the mission to show the development of China in last forty years. At the beginning, I felt really overwlmed by the plenties of informations on the internet. During the preparation, my ability to find and select useful statistics is improved. And I am more skillful to make digrams to show the trances clearly. Though this progress is a little bit complex and difficult, I really gain a lot .