原标题：养殖貂体内发现新冠病毒 荷兰、丹麦大批扑杀水貂 In recent years, the U.S. domestic politics has been mired in infighting, with key issues affecting government operation, people's lives and national development have become partisan bargaining chips. A real-life version of "House of cards" is playing out. (Wei Chenxi, Yang Xin)
