"That the population is so high that there will be a major population crash, that we will run out of food unless we change our ways, this just turns out not to be truth."

VOA: standard.2010.01.23

So I'll bring a little bit of extra food. Just in case you run out.

我会多带一点吃的来。以防万一你这儿的东西不够吃。

Who 实战 - SpeakingMax英语口语达人