Dollar sinks to three-year low on Trump tariff threat
受特朗普最新关税威胁影响，美元跌至三年低点

US currency falls sharply after president says he will set new levies on trading partners in next two weeks
此前特朗普宣称，将在未来两周内向贸易伙伴发出信函，列出新的关税税率。