“手摇车理论”是用以检验一个人功利主义行为程度的经典方法之一。

One of the classic techniques used to measure a person's willingness to behave in a utilitarian way is known as trolleyology.

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接着，又为她买了一个手摇车，推出去见太阳。

Then, also has bought a trolley for her, pushed out to see the sun.

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他说：“那里有几个没腿的人，而台下一个14岁的小孩正骑着辆自制的手摇车。

"There were a couple of legless people and, at the foot of the stage, a fourteen-year-old kid with a homemade hand cycle, " he said.

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