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相比于长江上亿年的历史,5年甚至50年都短到可以忽略不计,但这5年、50年,无论从哪个角度看,长江的变化却又很多很多......
Compared with the history of hundreds of millions of years in the Yangtze River, the years of five years or even 50 years are as short as negligible. However, in these five years and 50 years, the changes in the Yangtze River have changed a lot ...