可引用的發言段落Citable transcript turn#21773講者:Speaker: Audrey TangOn Earth. I’m not going to Mars in five years. Even Elon Musk is not going to be there in five years. 逐字稿導覽Transcript navigation查看前後文View context分享此段Share turn來源逐字稿Source record2016-12-22 Manuel Edghill visit