Pair works, task activities, group works.

同桌互动，任务型活动，小组活动等。

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To know which one, we need to look at the second pair of square brackets, which will tell us the device that still works.

要知道是哪一个，我们需要看看第二对方括号，这告诉我们设备仍然在工作。

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However, where people often go wrong with this is to assume that if this works between one pair of layers, it would work well between another.

然而，人们经常在这一点上犯错误的地方是假定，如果这在一对层之间有效，那么它将会在另一对层之间同样有效。

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The works on view in Brooklyn begin with a pair of sensitively rendered early 19th-century portraits and end in the 1940s.

WSJ: Fine Lines | Frick Collection | Brooklyn Museum | by Karen Wilkin

Once set up, however, and it works like an absolute dream -- just pair your device to its ad-hoc WiFi network (which kicks in once you've taken your first picture) and images are pushed over in a staggeringly short amount of time.

ENGADGET: Eye-Fi Pro X2 16GB Class 10 hands-on Hands-on

Poole, who mostly works in business class, says she buys a new pair every three months.

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