模仿文本： 

For at least 5,000 years people around the world have cultivated lettuce leaves, a food with an ancestry that can be traced from the ancient Egyptians through to Greek and Roman civilisations and on to us. No wonder some people have a thing about eating leaves.

 

译文：

世界各地的人们种植生菜已经有至少5000年了。生菜的历史可以追溯到古埃及，经过希腊和罗马文明之后又到了我们现在。难怪一些人对吃菜叶子有种情结。