5月卖了价值220多亿美元,https://www.asiafinancial.com/china-and-japan-slash-holdings-of-us-treasuries-in-may
3月卖了价值205亿美元,
https://www.cnbc.com/2019/05/16/china-has-cut-its-holdings-of-us-debt-to-the-lowest-level-in-two-years.html