1. Sugar compounds: the sweetness and bitterness of life: sugar compounds are important energy sources and information molecules in life, but they can also lead to diseases such as diabetes and obesity, thus reflecting the sweetness and bitterness of life and the importance of a healthy lifestyle.
2. Food security: the country is big and the people belong to it. Food security is the foundation of national security and social stability, and it is also the vital interests of the people. Therefore, it reflects the concept that the country is big and the people belong to it, and also reflects the cultivation of patriotism and social responsibility.