分词翻译
贸易的英语翻译：
commerce; trade; traffic
【经】 commerce; commercial act; commercial transaction; deal惯例的英语翻译：
convention; routine; consuetude; practice; rite; rule; tradition; usage
【化】 convention
【医】 nomo-; rut
【经】 consuetude; customary rule; customs and usages; established practices
practice; routine; usage
