商會:中美關係需要更多工作層面對話 而非僅靠峰會

英文原標題：US-China ties need more working-level dialogues, not just summits: business chamber

英文原摘要：The president of the American Chamber of Commerce in China (AmCham China) has urged Beijing and Washington to push more negotiations down to working-level officials, saying businesses need greater long-term stability in bilateral ties than leader-level diplomacy alone can provide. Michael Hart, pres