而中国之所以拥有超过40％的贸易额相对GDP比率（远高于美国 ） ， 部分原因是其贸易伙伴国的基建发展不足和经济多样化不足。
China’s trade-to-GDP ratio exceeds 40% – substantially higher than that of the US – owing partly to underdeveloped infrastructure and inadequate economic diversification among China’s trading partners.