原标题：中新真探：网上配眼镜跟线下配效果差不多，但更加价廉物美？
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)