How to keep healthy.Many people want to be healthy.And have many ways,we should keep healthy lifestyle.That must be important.We need enough exercises.And we need a balanced of yin and yang to sta...很满意，不过我想货比三家。在等一个答案好么,如果另一个不会很好的话，会立刻采纳。不过作者，可以告诉我有多少词吗？83,可以时间不是问题。估计等不到了，还要复习别的学科。所以，谢谢了。会采纳。