But the families being tracked reduced energy use 2.7 percent.

而被告知监测的家庭使用的电力减少了2.7%。

Showers, faucets and washing machines combined used an additional 56 percent of water.

淋浴、水龙头和洗衣机加起来使用了另外56%的水。

Lie number two: we only use ten percent of our brains.

谎言二，我们只开发了大脑的 10%。

A recent study shows that 50 percent of all parking spaces are not being effectively used.

最近研究显示，有50%的停车场并没有被有效利用。

So that's another way that you can use percent...percentage, sorry, that's another way you can use percentage.

所以这另一种你可以使用百分数......百分比，对不起，这是另一种你可以使用百分比的方法。

All the lawn watering and tooth brushing and pools and showers use only 6 percent of all water consumption.

所有的草坪浇水、刷牙、游泳池和淋浴活动只消耗 6% 的水。

Agriculture alone, Connor said, uses 70 percent of the world's water supply and has to be better planned.

康纳说，仅农业就消耗了全球70%的供水，这方面必须更好地进行规划。

OK. Now let's test you using percent or percentage.

好的。现在让我们用百分比或百分比来测试你。

Right now, cooling uses 10 percent of the world's electricity.

目前，制冷使用了世界上 10% 的电力。

Sixty-nine percent of teens said they use Snapchat, while 32 percent use Twitter.

69% 的青少年表示他们使用 Snapchat，而 32% 的青少年使用 Twitter。

The average person uses less than 10 percent of what PowerPoint can do.

一般人使用不到 PowerPoint 功能的 10%。

The country is using only about 10 percent of its identified hydropower potential.

该国仅使用了已确定的水电潜力的 10% 左右。

So you should notice that the signal for using percent is that there's always a number first.

所以你应该注意到使用百分比的信号是总是数字在前。

Simpson noted that the Maxlimer needs no crew and uses less than 2 percent of the fuel needed for most research ships.

辛普森指出，“Maxlimer”号不需要船员，而且使用的燃料还不到大多数考察船所需燃料的2%。

And recycling a can uses less than five percent of the energy that it takes to refine bauxite ore into fresh aluminum.

并且回收一个罐子比提炼铝土矿获得铝所消耗能源的5%还要少。

The U.S. Food and Drug Administration says that 90 percent of people in the world use some form of caffeine.

美国食品和药物管理局表示，世界上 90% 的人都在使用某种形式的咖啡因。

We have land and we have water. For instance, we only use about 20 percent of the farmland located along the San Juan River.

我们这里土地和水资源丰富。例如，我们只占用圣胡安河沿岸约20%的农田。

They're responsible for 70 percentof the stock of greenhouse gases in the atmospherefor using up 60 percent of the world's carbon budget.

他们排放了大气中 70% 的温室气体，并消耗了世界 60% 的碳预算。

We all know that many students often go online, but we were surprised that ninety percent of them use the Internet every day.

我们都知道，许多学生常常上网，但是我们很惊讶的是他们中的百分之九十每天使用互联网。

This idea that like, oh, you only use 10 percent of your brain or you only use five percent of your brain, someone's making it smaller.

这个想法就像，哦，你只使用了你大脑的 10% 或者你只使用了你大脑的 5%， 有人正在让它变小。