The skills and records of black ball players were as good as major league white players.
VOA: special.2009.04.05
You've got survivorship bias taking out bad records and then you've got backfill bias adding good records.
生存偏差去掉了那些糟糕的记录,回填误差又加入了一些好的记录
As reported contemporaneously in 2000,the number was -3.1% but if you look at the number reported for 2005, because bad records had disappeared and good records had been added, all of a sudden the average experience for that year went up to +1.2%.
000年期的公告中这个数字为负3.1%,但是如果你去查2005年公告的数字,坏记录已经调整而消失,有利的投资记录被加入,转瞬之间,年平均收益升至1.2%
Hollywood Records made a good move in signing the Jonas Brothers.
VOA: special.2009.06.19
But how carefully you estimate will determine in part how good your ultimate records are so please try to be as careful as you can, and then pick the closest option if you can't find the exact food that you're eating at that time.
你估计的仔细程度,在某种程度上,也会决定最终结果的准确性,所以请尽可能谨慎,如果找不到完全对应的食物,请选择和你当时所吃食物最接近的选项
In addition,RCA Records has released a compilation of 100 digitally re-mastered Elvis Presley tunes, Elvis 75 - Good Rockin' Tonight.
VOA: standard.2010.01.07
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