What if I don’t see any being tracked?

如果我未发现任何跟踪呢？

youdao

But many people will not even know they are being tracked.

但许多人甚至不知道他们正在被跟踪。

youdao

If the item being tracked is a row in a database, that row will be sent.

如果要跟踪的项目是数据库中的一行，则将发送该行。

youdao

Several hours later the second inmate surrendered peacefully after being tracked down by police.

BBC: Canada prisoners in daring helicopter escape

They had used GPS jammers to prevent the vehicles being tracked after the thefts.

ECONOMIST: GPS jamming

And it doesn't require any knowledge of what the genetic markers being tracked do.

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