From a utilitarian point of view, the obvious choice is to pull the lever, saving five and only killing one.
从一个功利主义者的观点来看，明显应去拉拉杆，只杀死一个人来拯救五个人。
But how precisely these inputs are converted into a test score is a mystery, and without knowing which lever to pull, it is difficult to design an effective incentive scheme.
但是这些投入究竟是如何精确地转化为测试成绩却是一个谜。如果不知道需要去撬起哪个杠杆，那么是很难设计出一个有效的激励计划的。
Wind it like a watch with a key that's stored underneath the barrel, and when it's 'fully loaded' use your thumb to pull back the safety lever. Then squeeze the trigger.
用放置在枪管底端的转柄给它像手表一样上发条，当发条“全部上满”之后，用你的大拇指向后拉动枪栓，然后扣动扳机。
And the trick to a puzzle box is there's a simple way to get out but you have to kind of pull on something, some special lever, to make it pop open.
这个谜笼的设计是这样的,只要小猫拉动一个东西,它就能够逃出去，拉动一个特殊的杠杆，迷笼就会打开。
Rather, the company regards it as just another part of its efforts to pull every possible lever in the name of a better guest experience.
人们常常谴责迪斯尼打着文化控制（利益）的名义把事做的太过，可迪斯尼却觉得这些做法一点也不过分，反而把它们看作是自己为使游客能更好亲身体验的另一份努力。
Having a short Achilles lever allows the muscles that pull on the tendon to generate as much as 40% more force than the same muscles in a non-sprinter would be able to manage.
和非短跑选手相比，短跑运动员较短的跟腱“杠杆”能使拉伸跟腱的肌肉产生的力量高出40%。
The pull travel of the steam lever isn't very long but I found it easy to control in small increments of increasing steam power after just a few USES.
向下拉的蒸汽管不是很长，但是我发现它可以控制一个很小的增量，在只有少量的使用者的时候快速增加蒸汽功率。
The pull travel of the steam lever isn't very long but I found it easy to control in small increments of increasing steam power after just a few USES.
向下拉的蒸汽管不是很长，但是我发现它可以控制一个很小的增量，在只有少量的使用者的时候快速增加蒸汽功率。
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