在过去的二十多年里，他从事中国经济多方面的研究。他经常来中国访问，而且他的中文说得很好。
He has been engaged in research on various aspects of the Chinese economy over 20 years.
在座的各位经常来往于中德之间，通过友好合作，很多人也成了“中国通”或“德国通”。
Many of you here have traveled frequently between our two countries. Many have become China hands or Germany hands through friendly exchanges.
在座的各位经常来往于中德之间，通过友好合作，很多人也成了“中国通”或“德国通”。
Many of you here have traveled frequently between our two countries. Many have become China hands or Germany hands through friendly exchanges.
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