保护世界湿地 — — 它们也提供了极具价值的服务，包括沿岸地区保护和阻止河谷爆发洪水等 — — 也很明智，每一美元投入可以获得十倍回报。
Conserving the world's wetlands – which also provide valuable services, including protection of coastal areas and river valleys from flooding – is also sensible, providing a tenfold return on each dollar spent.