Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

如果没有足够的食物供应，我们今天所知道的文明就不可能进化，也不可能生存。

-- Norman Ernest Borlaug 诺曼·欧内斯特·博洛格