这道门只能在紧急情况下使用。

This door should only be used in an emergency.

《牛津词典》

当地组织只花1英镑就可以使用它们，并在其中安装除颤器，以在紧急情况下为人们提供帮助。

Local organizations can adopt them for one pound, and install defibrillators to help in emergencies.

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在那些拥有座机的澳大利亚人中，有三分之一的人承认，座机不是很有必要，他们将其作为一种能带来安全感的东西保留下来。19%的人说他们从未使用过座机，还有13%的人保留座机以防紧急情况。

Of those Australians who still have a landline, a third concede that it's not really necessary and they're keeping it as a security blanket—19 percent say they never use it while a further 13 percent keep it in case of emergencies.

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