本书所介绍的健身方法，简单易行，既不需要花太多的精力，也不需要花太多的金钱，人人都可以学会。我想，我之所以能够活到这把年纪，90多岁还能经常和老伴一块去逛商店，大概是因为我们长期坚持这些健身方法的缘故吧！人，就应该充满生机和活力，健康幸福地生活。一个人只有身心都很健康，他才会觉得生活无比美好，才能面带笑容地去生活。This book introduces simple and easy ways to do physical exercises, without need for too much time and money. Everyone can learn them.The reason why I'm still alive and able to go shopping with my partner over the age of 90, I think, is that I keep doing these exercises for a long time.People should be vigorous and lively, living a healthy and happy life.Only when a person is physically and mentally healthy does he feel the life is beautiful and live a happy life.