我们应该遵守这个原则。
wǒmen yīnggāi zūnshǒu zhègè yuánzé 。
We should adhere to this principle.
他有自己的原则，不轻易改变。
tāyǒu zìjǐ de yuánzé ， bù qīngyì gǎibiàn 。
He has his own principles and doesn't change easily.
这个原则对我们很重要。
zhègè yuánzé duì wǒmen hěn zhòngyào 。
This principle is very important to us.