prefaceDu Fu wrote a poem: "Wine debts are common everywhere, and life has been rare since seventy years agoIn ancient times, elderly people who could live to the age of 70 were very scarce. However, entering modern society, with improved material and medical conditions, it is still a common phenomenon to live to the age of 70...

Replacing water with tea every day? Reminder to tea lovers: Drink tea in moderation, try 4 types of tea, and enjoy a small drinkFor friends who love tea, tea is always in hand for a day. Many friends also like to "replace water with tea" and even drink a lot of tea before going to bed...