英文欣赏之人生感悟 （98）人口老龄化 Aging Populations
Aging Populations 人口老龄化 What is making the world so much older? 是什么让全世界的人口日益老龄化？ There are two long-term causes and a temporary blip that will continue to show up in the figures for the next few decades. 这是由两个长期原因和一个暂时现象造成的，并且在未来的几十年里，这些因素还将继续存在下去。 The first of the big causes is that people everywhere are livin...