formal source of law的意思|示意

The informal source of law is a supplementary to the formal source of law, it can be used only in the position that there are no law, law interpretation and judicial interpretation.

非正式法源对于正式法源起到一定的补充性作用，只有在法律、法律解释或者司法解释没有规定的情况下才可以适用。

It's a sensible choice to take legal principle as the formal source of the law of our country.

法理作为我国法律的正式渊源，是基于现实的明智选择。