It teaches people how to stay alive without tents, or even backpacks.

它教会人们如何在没有帐篷甚至背包的情况下生存。

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It was no more animate than the glass walls of the terrarium, and Gerard wondered how anyone, even an expert, could tell if the thing was alive or dead.

如同养育箱的玻璃墙一样没有活力，此时，杰拉德想知道，即使是行家，如何来辨别这东西是死了还是活着。

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Lee Chin-lung, the police chief at the Cishan rescue base, said it was almost impossible to estimate how many people might still be in Hsiao-lin, either alive or dead under the rubble.

旗山救援基地的警长李英龙(音)说，几乎不可能评估还有多少人在小林村里，无论是活着的还是在碎石下已经死了的。

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After all, President George W. Bush had said we would get bin Laden, dead or alive, no matter how long it took.

FORBES: Lead Like Obama, Reach Impossible Goals, And Beat Your Competition

Anybody using roads around the UK is asked to take note of how many hedgehogs they see - dead or alive - on stretches of single carriageway roads, on journeys of 20 miles or more.

BBC: NEWS | Science/Nature | Hedgehog numbers 'in nose-dive'