This approach perfectly epitomizes the DRY (Don't Repeat Yourself) principle, since the persistence logic is implemented once and mixed in domain classes as many times as needed.

这种方式完美地诠释了DRY (Dont Repeat Yourself)准则，因为持久化逻辑只实现一次，在需要的时候可以多次混合到领域类中。

youdao

This principle incorporates the idea that market cycles occur with regularity and persistence.

这一原则包含了想法，市场周期发生规律性和持久性。

youdao

I believe that this is a good principle, so we hope that it can be insisted, and to some degree, the persistence can be long-term.

我认为这是一个很好的原则，我们希望能继续坚持，一定程度上还要长期坚持。

youdao

But by his persistence Joyce established a principle, which is that the artist must have absolute freedom to work with the world he or she has stumbled across, the world as it is.

NEWYORKER: Silence, Exile, Punning