Do not worry about food and clothing. How can you understand what you mean?

1, for the bottom people: not worrying about food and clothing is the basic problem of satisfying food and clothing, that is, the problem of survival is satisfied;

2. For the middle class: at least superior material life;

3. For people who are above the bottom but not in the middle class: it is a petty bourgeoisie life;

4, for the top people: that is, not limited by material life.