#酷艾英语早起团[超话]# #微博视频号迎新计划# Whether you are an astronomer or a life scientist, geophysicist, or a pilot, you've got to be there because you believe you are good in your field, and you can contribute, not because you are going to get a lot of fame or whatever when you get back. — Alan Shepard http://t.cn/AXWj6nRz