trading association的用法和樣例：
例句
- The owners of the coal mines had formed an association to protect their interests.
煤礦主們早組織了一個(gè)同業(yè)公會(huì )以保護他們自己的利益。 - After the completion of the transformation, the Trade Association losed its market foundation and withdrawed from the stage of history.
在社會(huì )主義改造完成之后，同業(yè)公會(huì )失去其存在的組織基礎與市場(chǎng)基礎，最終退出了歷史舞臺。
