They look at mutations as kind of a random event.

他们认为突变是一种随机的事件。

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It appears to be a random event. We do not believe the plane was targeted.

“这是偶然事件，我们确信飞机没有遭到目标攻击，也没有人听见枪响”。

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Even if no random event rises from a tar pit somewhere, investors say they are worried about three issues, which center on the wounded American consumer, China and the Federal Reserve.

即便没有“天降大事”于股市，投资者表示有三个让他们焦虑的问题，主要集中在受创的美国消费者、中国和美联储。

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In order to understand probability, you have to take things as coming from a random event and people don't clearly have that in their mind from an intuitive standpoint.

为了理解概率,你要把事件想象成是随机发生的,但人们没有那样,清晰直观的认识

耶鲁公开课 - 金融市场课程节选

Such decisions are therefore rational, as opposed to a reaction to a random event, because traders believe the existence of momentum is a reason for the stock price to rise higher.

FORBES: Are Stock Prices Random Or Chaotic?

According to an ongoing investigation by the Washington Post, who initiated the McColo shutdown, the Srizbi bots have been programmed with a mathematical formula that in the event of a shutdown generate a random but unique web address to check for updates.

BBC: Spam on rise after brief reprieve

In the event that a tie still exists, the Winner will be determined by random selection.

CNN: Inside the Envelope