網友回答：
so the one-child policy was necessay. in america， now there were 3 billion. some day they will have the same amount people as we had in china，
溫馨提醒：隨時光變遷，文中所陳述觀點；準確性、難免有所變動，因此文中觀點僅供參考。
so the one-child policy was necessay. in america， now there were 3 billion. some day they will have the same amount people as we had in china，
