by tradition

汉语翻译

例句：

1. A system holding that all knowledge is derived from original divine revelation and is transmitted by tradition.
   一种认为所有的知识都来自于最初的神的启示并由口传方式传播的体系
2. By tradition, people play practical jokes on 1 April.
   按照传统风俗，4月1日可以开恶作剧的玩笑。