If you drive your car alongside a railroad track, a train coming at you will seem to be moving much faster than if you turned around and followed it in the same direction.

假如你驱车沿着一条铁路的轨道行驶，那时如果一列火车迎面驶来，你就会感到这列火车行驶得要比汽车掉过头来跟着火车行驶要快得多。

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As a result, once information is deposited on a drive, technicians and managers track its location-and disposition.

因此，一旦信息被储存在硬盘上，技术人员和管理人员都会追踪它的位置——然后处理掉。

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What would drive personal Web pages along that well-traveled track?

为什么个人网页也会沿着这条既定轨迹走下去？

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It's located near the Olympics venue for long track speed skating in Richmond, about a 30-minute drive south from downtown Vancouver.

VOA: standard.2010.02.23

The technology to track where you drive and how far is now available, as well, combining things like the E-ZPass with GPS and wireless networking.

FORBES: Is a Per-Mile Driving Tax in Our Future?

Dollar bulls took the reins since May, pushing the greenback up 10% from spring lows, but with the U.S. dollar index up only about 1% from the end of 2010 the key will be how to keep the drive on track in 2012.

FORBES: Outlook 2012: Can U.S. Dollar Bulls Keep Hold Of The Reins?

This image shows a close-up of track marks from the first test drive of NASA's Curiosity rover.

FORBES: Curiosity Leaves Its Mark