Your epidemiologists are on the spot to investigate rumours or facts and put the regional and head office on alert, or in a position to reassure the rest of the world.

国家办事处的流行病学家可以立即针对谣言或事实进行调查，警示区域办事处和总部，或消除世界其它地区的忧虑。

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I knew I had to stay alert in case the elk woke up and leaped into a standing position.

我知道自己必须保持警惕，以防麋鹿醒来然后跳着站起来。

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The size, shape, color and position of the eyes give the steady, confident but alert expression that is typical of the Welsh Terrier.

眼睛的尺寸、形状、颜色和位置使其看起来坚定、自信而且警惕，属于典型的威尔士梗的表情。

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Then you can be more enthusiastically proactive, more clearly determine what the right things are to put first and more successfully negotiate a win-win position, for example, because your body and your mind are alert and in sync.

FORBES: The 7th Habit

Though its results are not audited, Bernstein does alert clients to changes in the lineup in a monthly report, where it also lists each position's average purchase price.

FORBES: Magazine Article