原标题：尚阳视云白涛：云会议类SaaS仍将保持30%左右的年增速
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)