可引用的發言段落Citable transcript turn#217756講者:Speaker: Jeannette WingThere are a lot of parts that go into that and you want to account for every single step in that supply chain to make sure that everything by the end will go in the airplane goes right. 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 record2018-09-20 Conversation at Columbia University