美元兑瑞郎跌1.07%，暂报0.8035。美国总统特朗普宣称，7月31日与瑞士讨论了巨额贸易逆差问题。

Group 1 - The US dollar has depreciated by 1.07% against the Swiss franc, currently trading at 0.8035 [1] - President Trump announced discussions with Switzerland on July 31 regarding a significant trade deficit issue [1]