People are living longer and societies are getting grayer. 人们现在越活越久，社会也逐渐变得老龄化。 You hear about it all the time. You read about it in your newspapers. 你可能总是听到别人这么说。你从报纸上如是读到。 You hear about it on your
I send greetings to those observing Kwanzaa. Kwanzaa is the celebration of African culture, community, and family traditions. For more than 40 years, millions of people have come together to reaffirm
Now, for many of these claims, we don't have to settle the statistical arguments in order to address the arguments. 对于很多这种无端的指责，其实并非每个都需要我们通过统计研究的方法加以辩驳。 Part of the reason for this is that correl
