As a preventative measure, we are told to let in fresh air by opening the windows and not to use the air conditioners.

作为一项预防措施，我们被告知要打开窗户让新鲜空气进来，而不要使用空调。

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The most important preventative measure, says the WHO, is using combination therapies.

世界卫生组织说，最重要的预防措施是使用联合疗法。

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When do you start using anti-wrinkle creams and do you need to begin super early as a preventative measure?

你什么时候开始用防祛皱乳膏以及你会在很早的时候就开始用这些东西，当作是预防措施吗？

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People who might want to consider taking aspirin as a preventative measure should first talk to a doctor.

VOA: special.2009.09.01

Nichols said the ban was not prompted by any specific threat, but is a preventative measure.

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But it says the calls to specific customers are being made as a "preventative measure".

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Many dream that an effective vaccine could also be administered after HIV infection as a treatment, not a preventative measure.

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