Antioxidant Vacuum Coffee Canister

It is very popular now to "prepare food for a week". Before returning home from get off work, you can simply take out the ingredients from the refrigerator and start the fire directly, saving a lot of trouble in preparing dishes, and you can cook in 5 minutes. Anyone who cooks often knows that ordinary vegetables, especially spring onions and coriander, basically wilt in a day or two. Half of a potato has not been cut yet, and the other half is almost oxidized. I want to keep the ingredients I...