求翻译，这句话怎样翻译呢？？

谢谢楼主万分感谢。。。膜拜

competition in the world market remains strong and constant and it forces profit to zero for each firm and that implies that the efficiency improvements are passed along to consumers in the form of lower prices.
国际市场上的竞争仍然普遍存在,激烈万分,这迫使公司的利润趋于零,也就是说消费者享受到了由于生产效率提高所带来的价格下降的好处。

这句话摘自，《国际贸易实务》英文版，全文是这样说的， For one thing, countries trade becasue there is a cost advantage from production efficiency as demonstrated in the principle of comparative advantage. Further, the prices fall because trade allows firms to produce further down along the erage cost curve adn that means a lower per unit cost of production. This implies that each product is being produced more efficiently. In addition, competition in the world market remains strong and constant and it forces profit to