In the weeks leading up to President Trump welcoming President Xi Jinping of China to Washington on Wednesday evening, Beijing has been accused of undermining America’s national interests on a number of fronts. 在特朗普总统周三晚间于华盛顿迎接中国国家主席习近平之前的几周里，北京被指在多个方面损害美国的国家利益。…