求翻译：1贸易场被说成是发展的“引擎”。这个比喻虽然未免过于简单，但它的确说明对外贸易在经济发展中的重要性。虽然出口的健康增长并不总是快速、持久的经济增长的充分条件，但两者之间积极而密切的联系显然是不可否认的。贸易发展对经济增长的作用表现在很多方面。其中，专业分工带来的利益；国际竞争对国内经济效率的促进作用；提高对发展所需的进口商品的支付能力，而更为普遍的是鼓励投资和企业家精神。是什么意思？

1 trade market is said to be the development of the "engine." Although this analogy is too simple, but it does illustrate the development of foreign trade in economic importance. Despite the healthy growth of exports is not always fast, sustained economic growth, a sufficient condition, but both pos

1 trade market is said to be the "engine" development. Although the analogy is too simple, but it does describe the importance of the external trade in economic development. While the exporting of healthy growth does not always rapid and sustained economic growth, but between the two sufficient cond

1 trade field is talked into is the development “the engine”.Although this analogy too is rather simple, but it indeed explains the foreign trade in the economical development importance.Although exports the health grows the sufficient condition which not always fast, the lasting economy grows, but

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1 trade field is talked into is the development “the engine”.Although this analogy too is rather simple, but it indeed explains the foreign trade in the economical development importance.Although exports the health grows the sufficient condition which not always fast, the lasting economy grows, but