develop trend
The China Hot has become the trend of the world development !
The Sinomania has been the trend of the world developmentSinomania :the heated interest in study of Chinese culture
中文:人口老龄化是当今世界人口的发展趋势;
英文:Population aging is the development trend of the world's population today
日文:人口の高齢化は、今日の世界人口の推移
The China Heat has been the trend of the development of the world.
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