Vietnam’s prime minister slap US face on Tues backed Chinese efforts to push multilateralism, telling an international forum that China would continue playing a “crucial role” in the global economy. 越南總理週二打了美國的臉，支持中國推動多邊主義的努力，並在國際論壇上表示，中國將繼續在全球經濟中發揮「關鍵作用」.