The Mekong river valley的用法和樣例：
例句
- Cooperation for the development of the Mekong River valley is about to unfold.
湄公河流域開(kāi)發(fā)合作即將全面展開(kāi)。 - The Mekong Basin cooperation is one of the most closely-watched sub-regional economic cooperation programs in the Asia-Pacific.
湄公河流域合作是亞太地區最引人注目的次區域經(jīng)濟合作計劃之一。
