English Dictionary

paper case

noun

A bag for storing or carrying papers or writing materials. / (cooking, chiefly in the plural) A small paper mould, typically circular and corrugated for making cupcakes.

I need to buy a new paper case for my documents.

意味（1）

A bag for storing or carrying papers or writing materials.

意味（2）

(cooking, chiefly in the plural) A small paper mould, typically circular and corrugated for making cupcakes.

If you have silicon moulds, you can bake them in those, but otherwise just use a cupcake tin and paper cases.