研究人员将自拍死亡定义为“不自拍就能避免的个人或群体死亡”。

The researchers define a selfie death as "death of an individual or a group of people that could have been avoided had the individual(s) not been taking a selfie."

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目前，潜在寿命损失年、失能调整生命年是评价卒中患者群体死亡和失能等负担较好的指标。

Now the years of potential life lost and disability adjusted life years are the better indexes in the assessment of population death, disability and other burdens in patients with stroke.

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2008年，石家庄周边养鳖场暴发群体死亡，继而全省都有发现，给当地养殖户带来巨大损失。

A colony of turtles died for unsure reasons in Shijiazhuang in 2008, and then similar cases occurred in all areas in Hebei province.

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There have been cases,gruesome as they may be, in which entire groups of people drink poison together so as to die not alone, but die together,die as part of jointly dying,dying as a group.

有过一些例子，虽然听起来很可怕，一群人一起喝毒药以免孤单的死去，而是共同死亡，作为群体行为的一部分。

耶鲁公开课 - 死亡课程节选