在和两个学生交谈后，我才发现，拥有强烈的动机是实现目标的最重要原因之一。
Only after talking to two students did I discover that having strong motivation is one of the biggest factors in reaching goals.
人们否认利他主义存在的一个原因是，在自省时，他们质疑自己动机的纯洁性。
One reason people deny that altruism exists is that, looking inward, they doubt the purity of their own motives.
关键在于用户参与的动机：他们做这些有他们自己的个人原因(“希瑟(女子名)会喜欢这个故事的！”)
The key factor is the user's motivation for participating: They're doing it for their own personal reasons (" Heather would love this story! ").
但是诸如胡德堡军事基地枪击案之类的事件暗示发生更多类似事件的可能性，其背后的原因和动机也会引致更多事件的发生。
But episodes like the shooting at Fort Hood suggest the possibility of more, and the sort of reasons and motivations that could make for more.
首先，你需要明确他的动机，因为如果深层原因不能解决，他就有可能重犯。
First, you will need to identify his motivations because unless the underlying cause is addressed he is likely to do it again.
日本经理们不能努力提高企业业绩的一个原因是他们缺乏动机。
One reason why Japanese managers fail to strive for better corporate performance is that they lack the incentive to do so.
一位房产公司曾经的雇员说自己被解雇的原因在于他对气候变化的观点。 而这家公司却否认存在这样的动机。
An ex-employee of a property firm said he was sacked for his ideas on climate change; the firm denied any such motive.
动机水平可能是一个导致差异的原因，研究者们并没有考虑学生们的银行信用状况这个因素，虽然每个小组获的最高分的人都可以得到15美元的itunes礼卷。
Motivation might have been an issue, as the experiment did not count for class credit, though the highest scorer in each group earned a $15 iTunes gift certificate.
原因就在于所有人都有加入网络的强烈动机：消费者、公司、还有最重要的网络本身(互联网事实上就是一个“网络”之网)。
Everybody had strong incentives to join: consumers, companies and, most important, the networks themselves (the Internet is in fact a "network of networks").
因此，利己主义作为一种人类行为理论，其产生心理诱惑的部分原因是人们对已自身或他人动机具有的某种谦逊或怀疑态度。
So the psychological lure of egoism as a theory of human action is partly explained by a certain humility or skepticism people have about their own or others' motives.
“这个更为昂贵的原因是我们使用更先进的材料和更好的发动机”等等等。
"The reason this one is more expensive is because we use superior materials and better engineering," etc, etc, etc.
但是这不能解释多个发动机使用新零件改装后使用寿命短的原因。
But that does not explain the short life of many engines after a rebuild using new components.
原因就是，人类女性对自己的生育繁殖能力一直有隐藏的动机，而其他种类的动物则恰恰相反。
That's because women have a strong motivation to hide the fact that they're fertile, unlike other members of the animal kingdom.
但是对于另一个问题——银行想要变得足够大以使其不能倒闭的动机（这也是导致本次危机爆发的一个重要原因）——却并未有任何解决的迹象。
There was little to suggest that one of the main causes of the crisis, incentives for banks to grow too big to fail, was being tackled.
对于这一点，波尔玛也赞同，并且指出，用于常规轻型飞机的活塞式发动机行不通还有其他原因：要是有水渗入气缸内，它就不能工作了。
Polmar agrees, and points out that the piston engines used in conventional light planes are ruled out for other reasons: they would fail if any water leaked into the cylinders.
在这里计算原理是加强学习过程和主动探索过程，这些也许也是婴儿学习动机背后的原因。
Here the computational principle is reinforcement learning and active exploration, which may also be behind learning motor movements in an infant.
原因之一是，在平均水平线下，德国这架喷气发动机所带来的增长被地中海橄榄木和爱尔兰的亚麻布构成的摇摇晃晃的双翼飞机消磨殆尽。
One reason is that, beneath the average, a German jet engine is ripping away from a rickety biplane made of Mediterranean olive-wood and Irish linen.
另外一个动机就是，纽约联邦储蓄银行也是诉讼案的原告，原因是它在救助美国国际集团(aig)的时候获得了后者所持有的证券。
So was the fact that the Federal Reserve Bank of New York was a plaintiff, thanks to securities inherited in the rescue of AIG.
不进食，我们就不能存活，没有燃料，汽车就不能发动，(也正是因为这个原因)永动机仅仅是一个现实中不存在的幻影而已。
We cannot live without eating, cars do not run without fuel, and perpetual-motion machines are just a mirage.
我们效法神的动机或原因何在？
一 个4.0升的发动机有八个0.5升的气缸而不是一个4.0升的大气缸，其中有几个原因：主要原因是流畅性。
There are a couple of reasons why a big 4.0-liter engine has eight half-liter cylinders rather than one big 4-liter cylinder. The main reason is smoothness.
根据CNN的姐妹网络的报道，火箭发射被延误的原因是由于发动机的泄漏。
The rocket's launch had been delayed due to an engine leak, according to CNN's sister network.
尼桑在美国，日本，欧洲和亚洲召回214万辆汽车，包括畅销车型米克拉，原因是点火问题，可能会导致发动机熄火。
Nissan is recalling 2.14 million vehicles in the US, Japan, Europe and Asia, including the popular Micra model, for an ignition problem that may stall the engine.
“研发这类发动机的部分原因是为了避免使用稀土磁材，但主要目的还是为了降低成本，”大陆集团混合动力和电力汽车项目负责人MikeCrane说。
Part of the rationale for developing this motor is to avoid rare earth metals, but it mostly is a move to lower costs, said Mike Crane, who runs Continental's hybrid and electric vehicle programs.
“研发这类发动机的部分原因是为了避免使用稀土磁材，但主要目的还是为了降低成本，”大陆集团混合动力和电力汽车项目负责人MikeCrane说。
Part of the rationale for developing this motor is to avoid rare earth metals, but it mostly is a move to lower costs, said Mike Crane, who runs Continental's hybrid and electric vehicle programs.
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