权威翻译：
It is difficult to be water for one who has seen the great seas ,and difficult to be clouds for one who has seen the Yangtze Gorges.
林语堂
To a sophisticated person,there is nothing new under the sun.
北外《汉英词典》
No water's enough when you have crossed the sea；No cloud is beautiful but that which crowns the peak.
许渊冲