可引用的發言段落Citable transcript turn#358168講者:Speaker: Audrey TangThe age groups, the most active ones, are around 15 years old and 65 years old, which is reasonable considering they have more time on their hands, of course. 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 record2019-12-10 The American Enterprise Institute visits