真的很急吗？急，你就说嘛~~~ 不要不说嘛~~~刚找了一篇，复制的，不好意思呀~~~ Most of us have had an experience which reminds us the world is getting smaller. Perhaps when you went to some place far away from the city you live in and thought you knew nobody there, you were surprised to find that you ran into one of your old classmates on the street! Then both...
