However, as an extremely dirty source of power, coal imposes huge costs on people's health and general environment.

然而，煤矿作为一种污染极其严重的能源，煤矿对人们的健康和整个环境都造成了很大的伤害。

They kind of, they fit into their general environment.

他们有点，他们适应他们的一般环境。

And it's this idea that in an inflationary period, companies use inflation, in a general inflationary environment, as a co-ordinating mechanism, as a way to all raise prices together.

正是这种想法， 在通货膨胀时期，公司在总体通货膨胀环境中利用通货膨胀作为协调机制，作为所有人共同提高价格的一种方式。

We also have to look at trends in the general social and economic environment, and be ready to respond to changes in society and changes in the economy as a whole.

我们还要着眼于社会经济大环境的变化趋势，随时准备应对社会变化和经济整体变化。

To put it all more formally, predators need to maximise their perception of signal (their proposed meal) from the noise (the general environment); the goal of prey is to minimise that same signal-to-noise ratio.

更专业一点来说，捕食者需要将自己感知“信号”（他们可能的食物）的能力在噪音中（一般环境中）最大化；而猎物的目标是将相同的信噪比降至最低。