作为交换条件，这些人可以参加一个抽奖，500人中有一个人可获得500美元（事实上，由于只有280人参与，中奖的可能性要大多了），结果再一次表明，姓氏首字母靠后的人反应速度更快，无论男女都是如此。
In exchange, they were told, they had a 1 in 500 chance of winning $500 in a drawing. (In fact, since only 280 people responded, the odds were much better.)
酸袭击可能发生，由于牙菌斑的细菌作用于我们饮食中的糖，或作为一个直接结果，酸溶解食物上溶掉了在我们牙齿表面上的珐琅。
Acid attacks can happen as a result of plaque bacteria acting on the sugars in our diet, or as a direct result of the acids in food dissolving away the enamel on the surfaces of our teeth.
在搜索词组变得越来越长的情况下，由于个性化的搜索，我们看到在同一词组下搜索引擎结果页面变得有所不同了。排名应该只作为关键绩效指标的一种。
In a world where search phrases are getting longer and we all see a different SERP for the same phrases due to personalized search, rankings should just be a KPI.
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