Buy something less dense, such as vegetables. Don't consider carrots and tomatoes with high water content, which has the lowest cost performance. At present, the nutritious vegetables are tomatoes, carrots, potatoes, spinach, green peppers, broccoli and so on.

Moreover, the energy in vegetables is relatively large, that is, potatoes, with relatively high starch content, can eat enough and tolerate hunger. Meat mainly supplements protein. If you are growing up, you must eat some meat every day.

Money is not saved. The most important thing in adolescence is to eat well and eat healthily. Good health is the greatest capital! After people start working, they may face all kinds of pressures. Some people's competitiveness is often not due to technology and ability, but the biggest reason is that their physical condition is getting worse and worse and their energy can't keep up.

Advantages of weighing canteen:

1, the amount of each meal in a traditional restaurant is the same, but everyone has a different amount of food, which is easy to lead to waste. As for the way to weigh and calculate money, the choice is up to the customers themselves. They can choose how many dishes they want, so that customers can save money. Restaurants with the same ingredients can sell more copies, but make money.

2, the way of weighing customers can choose more dishes, compared with traditional ordering, one person can't eat three dishes at all, weighing can taste more dishes with less money, and the choice is very clear.