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Plugging up the leaks that allow cold air to slip into your house—and drive up your heating bills—is an important first step in creating an energy-efficient home.

为防止冷风通过缝隙进入你的房子，从而增加你的暖气费，把那些漏风处都堵上吧。 这是让你的家变得节能的最重要的第一步。

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So we stopped at Dungannon where, oddly, the maintenance man turned up just as we were plugging up.

BBC: Northern Ireland

This configuration gives it all wheel drive and also allows the ECU to either send power to or retrieve power from (in the form of regeneration) either motor to recharge the on-board battery pack -- which can also be juiced up by plugging into the wall.

ENGADGET

In November 2012, Superfly added an experimental feature to speed up the process of plugging in frequent flyer information.

BBC: A flight search that maximizes miles