Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.

数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。

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Violent crime is not limited to big cities.

暴力犯罪并不局限于大城市。

《牛津词典》

He took a long time to settle in to big-time football.

他花了很长时间才在第一流的足球运动中立足。

《柯林斯英汉双解大词典》

Because his wife Millicent liked to invite her friends to big dinners and serve them rare and expensive food and wine.

VOA: special.2010.05.29

We know it has to big anyway, since we can extract heat from it without changing the temperature.

我们知道它必须很大，因为我们得从中提取热量,但不改变它的温度。

麻省理工公开课 - 热力学与动力学课程节选

So it was like a big shock to me because after five years, I thought I know the language.

所以，这对我来说，就是一个很大的打击，因为五年的学习以后，我以为我掌握这门语言了。

语法和语调是关键 - SpeakingMax英语口语达人

When optimism reaches an extreme, it can make the market vulnerable to big declines.

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Even small changes in developmental timing can lead to big changes in who we become.

WSJ: What's Wrong With the Teenage Mind?

Here's a way: Commit America to big, gaudy, public contests in space travel and energy.

FORBES: Magazine Article