事实上，在美国这类资本充裕的国家，更多的进口（主要为劳动密集型产品）会提高资本回报率，从而推动国际资本流入该国。
And, indeed, in a more capital-abundant country like the United States, more imports (of mostly labor-intensive products) would raise the returns on capital, creating an incentive for international capital to flow to the country.