摘 要: | WHEN we talk about "Teacher Du" at the Hebei Institute of Finance and Economics in Shijiazhuang, we cannot help but think of the large, smiling man who often carries an oversized camera bag. In fact, his name is Norbert duBois, an English teacher from the east coast of the United States. DuBois is fond of photography and has a wide circle of acquaintances. He has
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