一尘不变

zhè lǐ méi yǒu yī chén bù biàn de guī zé suǒ yǒu de yìng yòng chéng xù dōu huì yǒu diǎn bù tóng

这里没有一尘不变的规则，所有的应用程序都会有点不同。

There is no hard and fast rule here, and every application will differ somewhat.