on principle

• adv. 根据原则； 按照 ...

on principle的用法和样例：

例句

用作副词 (adv.)

1. The system works on the principle that heat rises.
   该项装置是按照热力上升的原理运转的。
2. My idea is that we should act on his suggestion.
   我的意见是我们应当按照他的建议去办。