One-China policy is nonnegotiable

President Donald Trump was sworn into power on Friday, assuming a tremendous amount of responsibility for the welfare and security of Americans. And as the United States is the world's sole superpower and highly interdependent with the rest of the world, Trump also shoulders great responsibility for global peace and development.

As he did on the campaign trail, Trump declared in his inauguration speech that he was going to put "America First". It is not hard to understand why the US president would like to "make America great again", but as his first work after being sworn into office was to suspend Obamacare, his disruptive, if not destructive, style has already divided the country.

He also seems intent on dividing the world, possibly plunging China-US relations into chaos. Despite certain turbulences in the past years, China and the US have largely experienced a stable and sustainable relationship during the Obama presidency. Actually this has been the trend since the two countries normalized their relations. Beijing and Washington do compete in many areas, but they also cooperate in many areas. Their relations are based on the shared consensus that Taiwan is part of one China, which has been affirmed by every US administration since 1979. On this basis, China and the US have partnered on various issues, in particular on nuclear proliferation and anti-terrorism, and notably climate change.