"You have seen massive evidence of huge social impacts in South America,farmers, up to 90,000 farmers, being displaced from their land in places like Paraguay because of the advent of massive GM intensive mono cultures, urban poverty increasing, food security has decreased all across the southern corner of Latin America dramatically over the last decade,"

VOA: standard.2009.10.21

Here's a little video clip that I'd like to show you that talks about evolution and how humans have evolved in relationship to their food.

接下来我们看段视频,主要讲述了生物演化,还有人类和食物之间的演化关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I do like Chinese food, but in Chinatown, I think a lot of their stuff is very greasy.

我喜欢中国菜，但在唐人街，我觉得很多东西都很油。

喜欢中国菜吗？ - SpeakingMax英语口语达人

Then you see way back in human histories figures like this where people had to go hunt for their food, and of course there was danger involved in this.

让我们回到人类演化史上,如这张图所示,人们不得不去狩猎觅食,当然,这是非常危险的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选