照传统，据口传

1. 照传统 据口传：by trade || 就职业而言 职业是 | by tradition || 照传统 据口传 | by train || 坐火车

2. 用某物去交换：trade sth for 偏离本题的 | by tradition 用某物去交换 | on trial 按照传统风俗