双语简讯：Breaking: Stocks fell and the dollar weakened as frequent U.S. tariff-policy changes unnerved investors. The Dow opened down almost 1%; Nasdaq and S&P were even lower. ▶ 译文 突发新闻：由于美国关税政策的频繁变动令投资者感到不安，股市下跌，美元走弱。道指开盘下跌近 1%；纳斯达克和标准普尔的跌幅更大。 ▶ 来源：华尔街日报
