长江是亚洲最长、世界上第三长的河流。长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。长江流域（river basin）居住着中国三分之一的人口。长江在中国历史、文化和经济上起着很大的作用。长江三角洲（delta）产出多达20%的中国国民生产总值。几千年来，长江一直被用于供水、运输和工业生产。长江上还坐落着世界 最大的水电站。

简单版：

The Yangtze River is the longest river in Asia. It is also the third longest river in the world. It flows through many different kinds of biological systems. Many endangered species live there. It also waters one fifth of China’s land. One third of China’s population live in the Yangtze River basin. It plays an important role in China’s history, culture and economy. About 20% of China’s GNP comes from the Yangtze River delta. Over thousands of years, the Yangtze River is used for water supplying, transportation and industrial production. The largest hydropower station is also on the Yangtze River.

复杂版：

The Yangtze River is the longest river in Asia, and ranks third in the world. It flows through a variety of eco-systems and becomes a habit for many endangered species. Moreover, Yangtze River also irrigates one fifth of China’s farmland, and the Yangtze River basin resides one third of China’s population and plays an essential role in China’s history, culture and economy. The Yangtze River delta accounts for as much as 20% of China’s GNP. For thousands of years, the Yangtze River has always been used for water supplying, transportation and industrial production. it also settles the world’s largest hydropower station.