Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.

德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。

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This data exchange in the military field is based upon encrypted signals which cannot be analyzed or jammed by hostile forces.

军事领域的数据交换是基于敌军无法分析或干扰的加密信号。

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Otherss were concerned that the floating library would just end up in recycling bins, as the books can be hard to spot in jammed subway cars.

还有一些网友担心这些被“丢掉”的书本会埋没于拥挤不堪的地铁车厢，不能被乘客发现，最终沦落于丢进垃圾箱的命运。 。

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Two million to three million of the five million volumes in the stacks including the more specialized material many of us depend on, and referred to by the library as the "least used" books would be moved to Siberia. (Excuse me, to New Jersey, where the offsite storage is located.) Books would be returned in an optimistically estimated but unreliable 24 hours, by truck, on the traffic-jammed New Jersey Turnpike.

WSJ: New York Public Library | Undertaking Its Destruction | By Ada Louise Huxtable