A popular Chinese idiom!

万家双利 is a Chinese idiom that literally means ten thousand families' double benefits or double benefits for all families、However, it's often used to describe a situation where everyone benefits or profits.

Here are a few possible interpretations:

1、A winwin situation: where all parties involved benefit or gain from a particular action, decision, or situation.
2、A mutually beneficial outcome: where everyone involved achieves their goals or gains advantages.
3、A situation of shared prosperity: where everyone benefits and prospers.

For example:

* (wàn jiā shuāng lì) can be used to describe a successful business partnership where both parties benefit greatly.
* It can also be used to describe a government policy that brings benefits to all citizens.

Do you have a specific context or situation where you'd like to use this idiom?