比如，在书中，我们认识了中国西部青海省马营村八岁的张成成，他的奶奶和妈妈都是先天性盲人。

We meet, for example, 8-year-old Zhang Chengcheng from Maying village in the western province of Qinghai, whose mother and grandmother are blind from birth.

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对青海省祁连县某村羊、牛、马发生的病因不明的“口腔黏膜溃烂病”进行了调查。

In January 2004 year, at a village of Qilian County of Qinghai Province, a cause-unknown disease "Mouth mucous membrane canker" took place in the sheep, yaks and horses.

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