foreign trade companies的用法和樣例：
例句
- A strict control should be exercised over the business scope of foreign trade companies for handling export commodities of the second category.
要嚴格控制外貿企業經營第二類出口商品的業務範圍。 - We also relaxed the approving criteria for provincial and municipal trading companies to establish subsidiaries in Pudong New Area of Shanghai.
放寬了省市外貿企業在上海浦東新區設立子公司的審批條件。
