It is vital that we act to stop the destruction of the rainforests.
至关紧要的是，我们应当采取行动制止破坏雨林。
我们为什么要这样做？
It is essential that we act with integrity in order to build the kind of world in which we want to live.
为了建立一个我们想要生活在其中的世界，我们必须诚信行事。
If we believe it's a finite resource, we act that way, we feel exhausted and need breaks between demanding mental tasks.
如果我们认为这种资源有限，我们就会根据这种想法而行动，我们会感到疲惫，且需要在繁重的脑力劳动之间休息。
I believe it is essential that we act prudently.
我认为我们必须谨慎地行事。
Everything must be carefully examined before we act, then twice as much can be accomplished with half the effort.
事情要考虑周详以后再动手，才能够事半功倍。
哪一个应当放在第一位？
When we act we seek to preserve or to change.
当我们开始行动，即是为寻求保守或改变。
We make a choice, we act on that choice.
我们做出选择，然后活在那个选择中。
Some may say we need to learn more before we act.
有些人可能会说在我们行动之前还需要学习。
And he argued that we act so as to reduce dissonance.
他认为我们会通过某种行为来减少失调。
The sooner we act, the bigger the effect on emissions.
我们行动的越早，对排放问题的解决效果越好。
We learn from our actions, and we act from our learning.
我们从实践中学习，在学习中实践。
But if we act now, we can "save or create" up to 4m jobs.
但如果我们现在就行动起来，就能“保住或创造”出近400万个岗位。
For us ordinary people, we are our own agent; we act for ourselves.
对我们普通老百姓，我们是自己的代理人；我们为自己干活。
All too often, we act as though those two words mean the same thing.
我们时常将这两个词表现的仿佛是同一回事。
Somehow we will always manage to write our stories by the way we act.
不管怎样，我们总是能通过我们的行为方式来写出我们的故事。
These neurons fire both when we act and when we watch somebody else act.
当我们行动或者看到其他人行为的时候，这些神经元就会被激活。
The answer often given is that we act where we are able to without undue risk.
答案往往是，我们在力所能及的地方采取行动，而不会冒不必要的风险。
Just as we form habits in the way we act, we also form habits in the way we think.
正如我们会形成行为方式上的习惯一样，我们也会形成思维方式上的习惯。
Although we think we act because of the way we feel, in fact, we often feel because of the way we act.
尽管我们认为我们的感受导致了我们的行动，事实上，往往是我们的行动导致了我们的感受。
Unless we act decisively and act now, the situation may deteriorate catastrophically and irreversibly.
如果我们不采取果断行动，不立即采取行动，形势就可能继续恶化并导致灾难性的后果，造成无法挽回的局面。
If we act together, this day can mark the beginning of the end of harmful practices like child marriage.
如果我们一起行动起来，今天这个日子，就能成为终结童婚这类陋习的标志性开端。
We all know that money can't buy happiness - but many times we act as if we'd be happier with a bit more money.
我们都知道金钱买不来幸福-但很多时候，钱多一点，我们也会显得更高兴。
New research has found that the way we act in relationships is pre-determined by which 'attachment type' we are.
最新研究发现在亲密关系中我们的行为方式是由自己的“依恋类型”预先决定的。
The future will be healthier and more productive for all societies if we act now to make every mother and child count.
如果我们现在行动起来，珍爱每一个母亲和儿童，社会的未来将更加健康和富有创造力。
The future will be healthier and more productive for all societies if we act now to make every mother and child count.
如果我们现在行动起来，珍爱每一个母亲和儿童，社会的未来将更加健康和富有创造力。
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