In a third version of the trolley dilemma, you could throw a switch catapulting him onto the track, thereby not having to touch him as you kill him.
在第三个有轨电车两难处境中，你可以扳动一个开关，扳动后可以将那个人“弹射”到铁轨上，这样你可以不接触便杀死他。
Okay so now I am going to bring the apple up there's some metal here, there are electromagnets and so I throw a switch here so that the electromagnet is activated.
好，我现在挂苹果了啊，一部分是铁，还有磁铁，我把开关开开，磁铁启动了。
They throw a molecular switch, and the plants start turning themselves into sugar, saving fuel processors a key and energy-intensive step.
他们抛出一个分子开关，植株随之开始将自身转化为糖分，如此这般为燃料加工过程节省了关键且能源密集型的一步。
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