我们需要它来耕种、洗涤、提供电力、控制火灾，最重要的是——供我们饮用。
We need it to farm, to wash, to provide power, to control fires and—most importantly—to drink.
电力和汽油的成本将会大幅上升，模型建造者说，但是有正确的政策表明，这些需要不会导致我们的生活方式发生大的变化。
Electricity and petrol costs will rise significantly, but with the right policies in place, say the modellers, this need not lead to big changes in our lifestyle.
时至今日没人会说”我想连接到一个千万伏特的发电站”—取而代之是我们约定俗成地想电力本来就会按需为我们需要进入的每一栋房屋的每一个房间准备就绪.
Today, nobody says "I need to connect to a megawatt power station" - instead we assume that electricity will be available on demand in almost every room of every building we visit.
经过一夜的充电，XH - 150将能仅依靠电力行驶40英里(60千米)，此后，我们就需要启动汽油发动机了。
An overnight charge gives it an all-electric range of 40 miles (60km), after which the petrol engine needs to come into play.
我们需要清理道路，接通电力和自来水。
We need to clear the roads, get electricity, get running water.
东京电力公司说，注意力放在finickety的细节上面，那样会积累到480000套装置需要我们去处理。
Tepco says, with attention to finickety detail, that it has accumulated a mountain of 480, 000 such suits in need of disposal.
更重要的是，我们发现我们设备的静电力比达到这种效果所需要的小很多数量级。
More importantly, we note that the electrostatic forces of our devices are many orders of magnitude too small to achieve this result.
他们要求更多的电力供应，我们应该满足他们的需要，减轻他们的压力。
They have made a request for more electricity supplies, which we should satisfy in order to release them from the pressure they are under.
我们需要新的核电站来扩大电力供应。
如果每个人都只用水壶煮他们需要的水，我们在一年里节省的电力足够点亮全英国的路灯将近七个月。
If everyone boiled only the water they needed every time they used the kettle, we could save enough electricity in a year to power the UK's street lights for nearly seven months.
“因为它不需要飞行的电力，我们希望能发挥自旋模式的优点，”他说，“如果我们可以找到竖直而行的空气，它可以永远停留在空中。”
"We want to take advantage of the autorotation mode since it doesn't require power for flight," he said. "If we can find a vertical column of air, it can stay aloft indefinitely."
“因为它不需要飞行的电力，我们希望能发挥自旋模式的优点，”他说，“如果我们可以找到竖直而行的空气，它可以永远停留在空中。”
"We want to take advantage of the autorotation mode since it doesn't require power for flight," he said. "If we can find a vertical column of air, it can stay aloft indefinitely."
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