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美为中国第二大贸易伙伴 中国是美第四大进口国美在华投资项目超2万个 投资额逾143亿美元
The United States is China’s second largest trading partner China is the fourth largest importer of the United States. The United States invests more than 20,000 projects in China. The amount of investment exceeds US$14.3 billion.