Morgan Stanley estimated that Trump's tariffs on steel, aluminum, washing machines, and solar panels, as of March 2018, covered 4.1% of U.S. imports.
摩根士丹利估计到2018年3月，特朗普对钢铁、铝、洗衣机和太阳能电池板征收的关税占美国进口的4.1％。