https://www.bizjournals.com/boston/news/2021/08/19/amazon-has-4-times-more-mass-job-openings-t.html
2021年7月, 马萨诸塞州 2021 年单月就业增幅最大； 州数据显示，亚马逊的大规模职位聘请是其他任何公司的 4 倍
Aug. 2021, Massachusetts sees biggest single-month job gains of 2021; Amazon has 4 times more Mass. job openings than anyone else, state data shows