Mr Chen won't come here to see us until he returns to China.
直到陈先生回到中国才能来看我们。
He returns to China to concertize around the world in the same year.
同年，他回到祖国的怀抱，准备用一流的音乐会回报祖国和世界人民。
The problem of "large investment, low returns" has been troubling China "s foreign language teaching."
我国外语教学现状存在“投入多，收效少”的问题。
The problem of "large investment, low returns" has been troubling China "s foreign language teaching."
我国外语教学现状存在“投入多，收效少”的问题。
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