留美老师带你每日说英文 第439期:基因决定你是否乐观

 　　台湾籍旅美老师今天交给我们的句子是：

　　But, statistically¹, most of us are hardwired to lean towards optimism. Known as the optimism Bias² and found in around 80% of the population, we tend to overestimate³ the probability of positive events occurring in the future, while grossly underestimating the probability of negative ones.

　　但是，数据显示，大多数人生来就较为乐观。这个现象被称为"乐观偏见"，80%的人都是如此，我们倾向于相信未来会发生的事会是好的，并且忽略负面事情的可能性。

1 statistically   

ad.根据统计数据来看，从统计学的观点来看

参考例句：

• The sample of building permits is larger and therefore, statistically satisfying. 建筑许可数的样本比较大，所以统计数据更令人满意。
• The results of each test would have to be statistically independent. 每次试验的结果在统计上必须是独立的。

2 bias   

n.偏见，偏心，偏袒；vt.使有偏见

参考例句：

• They are accusing the teacher of political bias in his marking.他们在指控那名教师打分数有政治偏见。
• He had a bias toward the plan.他对这项计划有偏见。

3 overestimate   

v.估计过高，过高评价

参考例句：

• Don't overestimate seriousness of the problem.别把问题看重了。
• We overestimate our influence and our nuisance value.我们过高地估计了自己的影响力和破坏作用。