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如果问身边的人准备活多少岁,回答往往是:谁知道呢?能活多久活多久呗!看来,多数人对自己的寿命没啥计划。哺乳动物的寿命一般为生长期的5至7倍,人类的生长期按25年计,那么,我
If you ask people around you how many years old to prepare, the answer is often: Who knows? How long to live for a long time! It seems that most people have nothing to plan for their life. Mammals generally have a lifespan of 5 to 7 times that of the growing season and 25 years of the human growing season, then I