We'll about what individuals can do, what a country can do, what the world can do to help change what are really pretty discouraging numbers.
我们会谈到个人能做些什么,国家能做些什么,世界又能做些什么,去帮助改变这些,令人泄气的数据
This is old data now, from 1995, but I don't think it's changed very much.
这是个很久的数据了,来自一九九五年,但我不认为这会有多大改变
We'll assume that B lives between 0 and a 1/4 and it's known, I just want to be able to vary it later.
假设B是0到1/4之间的已知量,我希望一会能改变一下这个数据
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