A bus consists of a single, long cable that computers connect to along its run.

总线拓扑结构则是由唯一一根长电缆组成，计算机沿着电缆排布。

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Sometimes you have to run a long cable from one room to another, or just from one end of a room to the other side.

有时你要从一间房接一条长线到另一间房，或者只是从房间的一端到另一端。

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To win the competition, a vehicle has to climb all the way up the kilometre-long cable, travelling at an average speed of five meters (16 feet) per second.

赢得奖金的标准是，设计者的机械必须能够全程攀上长达一公里的轨道，同时平均速度不能低于每秒5米（16英尺）。

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Tethered to a large helium-filled balloon, the 23-pound Sword, as it's known, was able to climb up and down the long cable while workers kept the balloon steady with guide ropes.

ENGADGET: Space elevator robot reaches 1000 feet

In one corner of the room, a plastic headset and goggles hung droopily from a long black cable.

NEWYORKER: The Visionary

Matias has kept the overall design the same as the Tactile Pro in both cases, though: a look similar to Apple's old Pro keyboard with no frills beyond three USB 2.0 ports, only the basics in terms of extra keys, two legs underneath to prop it up and a 6-foot-long USB cable (no wireless option here).

ENGADGET: Matias Quiet Pro review: a mechanical keyboard with less clickety-clack