You can use "meal replacement" if you don't have time! There are different types of nutritional protein mixed drink "meal replacement" products on the market, which can be brewed with cold water and eaten in less than 5 minutes. All the nutrients needed for a meal are available. Some are also low in calories and can be used to lose weight. This way you no longer have to think about the proportion of vegetables, meat, and rice you eat. Therefore, some foreign athletes use "meal replacement" to control their weight.