So,the combination of survivorship bias and backfill bias for that one year made 4.3 percentage points difference.

因此在生存偏差和回填偏差的共同作用下,造成了两个收益率之间4.3%的差值

耶鲁公开课 - 金融市场课程节选

As Hanson points out, look at the difference between this and previous ways of working the soil.

正如汉森所指出的那样,比较此方式和旧有耕作方式的不同你就会发现

耶鲁公开课 - 古希腊历史简介课程节选