secret of the trade中文什么意思

商业秘密

• secret:    adj. 1.秘密的；机密的；隐秘的 ...
• trade:    n. 1.贸易；商业，交易；零售商。 ...
• trade secret:    厂商的制造秘密。

例句与用法

1. Unfortunately , the limitations of quantum mechanics and chemistry are the best kept secrets of the trade in the sense that they are known to true experts in the field , but never disclosed during ph . d . classes or in orthodox technical papers
   遗憾的是，就某种意义来说，量子力学和化学的局限性是有关行业中保持的最好的秘密有关领域中真正的专家了解的很清楚，但是在博士生课程中或正统技术论文中对此绝口不谈。