trade custom

• 贸易惯例

trade custom的用法和样例：

例句

1. It does not conform with international trade practice not to allow a commission.
   不给佣金不符合国际贸易惯例。
2. I understand that since I am your new client and it is in line with the practice of international trade.
   我很理解，因为我是你们的新客户，并且这种做法也符合国际贸易惯例。