trade custom

tradition_词根_词源_同根词 - n.... ... prescriptive a. 规定的,指示的,惯例的 trade custom 贸易惯例 tradition n. 传统，惯例 ...

custom-英汉词典-英中字典... ... to revive an old custom 恢复旧习俗 trade custom {n.}贸易习惯 undesirable customs 陋俗 ...