A richer and more consumer-led China would be likelier to buy more of the services in which developed countries have a comparative advantage.
一个更富裕，内需更大的中国更有可能购买发达国家具有比较优势的服务。
Third, one nation can sell some items at a lower cost than other countries and will also buy what it needs from those countries that have comparative advantage in the desired items.
第三，一个国家能够比别的国家以较低成本销售某些产品，而且还从对有关产品具有比较优势的国家购买所需产品。
It should also buy and import what it needs from those countries that have a comparative advantage in the desired items.
也应该从那些在你欲购买产品上有相对优势的国家进口产品。
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