https://money.cnn.com/2018/09/18/news/companies/fedex-ceo-fred-smith-trade- war-tariffs/index.html 刚找到一篇, 好像只占2%。 “Smith noted that FedEx doesn't do much business in China. Revenue from US- China shipping accounts for only about 2% of total sales, and the tariffs will cut into only a small portion of that revenue.”