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VOA: special.2010.04.12
I want to spend some time on that until we talk about-- before we talk about development of the polio vaccine.
我想多花些时间讨论这个问题,在我们讨论,在我们讨论脊髓灰质炎疫苗的发展之前
So, I want to stress the sense of natural development, not some kind of a central authority making a decision about anything.
我在这里强调,这是一种自然的发展方式,不是某种中央政权进行决议的结果
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