We have learned that we cannot live without nature's elements... we need clean air to breathe, food to eat, energy from the sun, etc.
我们还认识到，离开了自然中的元素，我们也无法生存——我们需要呼吸洁净的空气，需要食物来吃，还需要从太阳获得能量。
We also need to clean up spills as soon as they occur, and store food in air-tight containers.
我们还需要尽快清理溢出的液体，并将食物储存在密封的容器中。
I'll start with the brief review of the reasons for the change that we really need to make a clean break to restart growth.
首先，我会简短地回顾一下改革的原因，我们确实需要进行彻底的变革，再次实现增长。
How can we slash funding for education and clean energy before we ask people like me to give up tax breaks we don't need and didn't ask for?
我们为什么要大幅削减用于教育和清洁能源的资金，却不要求像我这种收入的人放弃我们并不需要也没有提出要求的税收减免。
2：We have to put the house in order in two days: I want desks clean, the whole place looking good. And we need our accounts balanced up to date by five o'clock tomorrow afternoon.
他要求大家把办公桌整理干净，使整个办公室显得整洁美观。然后还要大家在明天下午五点前把最近的帐目都结清。
Our joint clean energy Research Center is funding new approaches to energy efficiency, clean coal — which we both need to deal with — and clean vehicles.
我们的清洁能源联合研究中心正在提供资金，针对节能、洁净煤——这方面我们两国都需要处理——以及清洁车辆开辟新的途径。
I don't think we need to find a hotel, as we can bathe here and it's clean.
我认为我们无需找一家酒店，因为我们可以在这里洗澡，这里很干净。
When the long period of time when not in use, we need to clean them regularly.
当长时间不使用时，我们还要定期地对其进行清洁。
We need to defrost the freezer, clean the oven, clean out the cabinets, and scrub the floors.
我们必须要对冰箱进行除霜，清理烤箱，清理橱柜，还有擦洗地板。
To build this application we need to extract modular-appendix.zip archive and execute mvn clean install Maven command.
要构建该应用，我们需要解压modular-appendix.zip归档文件，并执行mvn cleaninstall命令。
"Much of what we learn in a day, we don't really need to remember," Cirelli says. "If you've used up all the space, you can't learn more before you clean out the junk that is filling up your brain."
“我们不必记住每天学到的许多东西，”Cirelli说，“如果耗尽了大脑里的所有空间，在清理出一些占据你大脑里的垃圾之前你就不能学习更多的有用的东西。”
In order to make styles clean and predictable we need to use composition rather than inheritance.
为了使样式更干净而且更有可预测性，我们要多使用组合而不是继承。
We need to press on with battery research for plug-in and hybrid vehicles, and expand the use of clean diesel vehicles and biodiesel fuel.
我们需要继续进行电动车和混合动力车的电池的研究，并扩展洁净的柴油车和生物柴油的使用。
So, we need to make useful policies and general plans about reducing water pollution and get access to clean water.
因此，我们需要提出有效的减少水污染及水循环利用的相关政策及方略。
I would tell them that they need a clean heart and we get a clean heart by praying.
我会告诉他们，他们需要一颗洁净的心，而我们通过祷告可以得到。
What we need is no longer foreign money, but our own green mountains and clean water.
现在我们并不需要外国钱了，反正我们需要的是我们自己的青山绿水。
"I'm do sorry, Mom. I finish understand that we need to share the housework to have a clean and comfortable home." I replied.
“对不起，妈妈。我终于理解为了拥有一个干净、舒适的家我们需要共同来分担家务。”我回答说。
Few risks have a greater impact on global health today than air pollution. The evidence signals the need for concerted action to clean up the air we all breathe.
没有什么会比空气污染给全球健康带来更大的危害。这些证据说明我们必须采取行动净化我们的空气。
Lorna: We also need to wash the windows, window screens, and windowsills, steam clean the carpets, and sweep out the garage.
我们还需要洗刷窗户，纱窗，窗台，蒸汽清洁地毯，清扫车库。
Lorna: We also need to wash the windows, window screens, and windowsills, steam clean the carpets, and sweep out the garage.
我们还需要洗刷窗户，纱窗，窗台，蒸汽清洁地毯，清扫车库。
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