可引用的發言段落Citable transcript turn#501155講者:Speaker: Audrey TangYour telecoms know exactly where you are up to a 50 meter radius. That’s true in any place that has 3G connection because that’s how they provide raw materials. 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 record2021-03-04 Interview with Robert B Leflar