1, Common Sense of Life 2000 introduces common sense and taboos in diet. 2. The contents of "common sense of city life" include: common sense of dressing, eating and drinking, common sense of home life, common sense of traveling, common sense of seeking medical treatment, common sense of children's education, and all aspects of city consumption. I haven't seen 500 tips on family life, but I heard it's very good. It is a necessary emergency manual for housekeeping, and many methods are simple and practical.