China is a country with the largest population in the world.

中国是世界上拥有人口最多的国家.谢谢。 Too many people cause too many troubles, for example,the food problem.And today,in order to control the increasing population,china hasformulated the policy of family planning.这又是什么意思呢太多的人口带来了太多的问题，例如，食物问题。而今天，为了控制人口的增长，中国已经实施了计划生育政策。谢谢。你太有才了， That is late marriage,late childbirthand having fewer but healthier children. Men of 22 years old and women of 20 years old can get married.这又是什么意思呢那就是晚婚晚育，拥有少量但是健康的孩子。男的22岁、女的20岁才能结婚。谢谢。 If a man of 25 gets married with a woman of 23 or over 23,their marriage is alate marriage. Childbirth by a woman at the age of 23 or more is a late childbirth. 这个呢