引進了所謂的懲罰機制：

That enforcement mechanism allows grievances to be aired through escalating consultations that would reach Chinese Vice Premier Liu He and U.S. Trade Representative Robert Lighthizer.

If a U.S. claim of Chinese non-compliance cannot be resolved, Washington would have the right to reimpose tariffs on Chinese goods in proportion to the economic damage alleged. But nothing would preclude China from retaliating, returning the two sides to the current status quo, people familiar with the deal said.