【商务英语培训】中级背诵
The growth of population during the past few centuries is no proof that population will continue to grow straight upward toward infinity and doom. On the contrary, demographic history offers evidence that population growth has not been at all constant. According to pale ecologist Edward Dewey, the past million years show three momentous changes.
The growth of population during the past few centuries is no proof that population will continue to grow straight upward toward infinity and doom. On the contrary, demographic history offers evidence that population growth has not been at all constant. According to pale ecologist Edward Dewey, the past million years show three momentous changes.