youdao

You keep track of multiple keywords in a special document.

保持对一个特殊的文档中多个关键字的跟踪。

youdao

We can actually track these stories on multiple platforms for longer periods of time.

我们实际上可以跟踪更长时间在多平台上跟踪这些故事。

youdao

And even Loopt shared information that would let a third-party track a user across multiple networks.

FORBES: Watch Out: Check-in Apps Share Your Location With More People Than You Think

Proximo delivers a unique way to track multiple valuables with a last-seen map pin-drop feature, an active proximity dashboard and extended battery life on both its Fob and Tag.

ENGADGET: Kensington wants you to be very afraid of losing your iPhone, buy its $60 Proximo system

Some exchange-traded funds track indexes of stocks across multiple markets.

WSJ: Upside: How to Play Investing's Wild Frontier