So how do you feed a city like, for example, Nairobi or many other very large mega-cities with desperately poor people in them where food simply cannot be provided in cities without access to diesel and so on?" Taylor says governments need to start investing in safe and sustainable energy alternatives.

VOA: standard.2009.10.20

What this has to do with global economy is that you have to be able to feed the population.

这与世界贸易之间的关系,就在于你必须先让民众衣食无忧

耶鲁公开课 - 欧洲文明课程节选

What they have to do in order to feed the population, you have to have more land.

要怎么做才能养活这么多的人呢,你得有更多的土地

耶鲁公开课 - 欧洲文明课程节选