upstream of Yangtze River的用法和樣例：
例句
- An economic centre in the upper reaches of Yangtze River, a new Chongqing, is striding towards the world with development!
一個長江上游經濟中心的新重慶正在開發中走向世界！ - Similar sediment pollution scenarios are occurring in the headwaters of the Salween and Yangtze Rivers.
在薩爾溫江和長江上游也存在類似的泥沙污染狀況。
