可引用的發言段落Citable transcript turn#494757講者:Speaker: Audrey TangThis way, both sides are oblivious to the personal whereabouts of all the users of the 1922 SMS contact tracing system. 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 record2021-12-14 Interview with Jana Puglierin and Rafael Loss