Yet the real challenge is to focus attention on action-oriented activities and policies that ensure the long-term protection of available water quantity and quality and sustainability of water resources utilization,including sanitation.

• 不过，真正的挑战是集中注意面向行动的活动和政策，以确保长期保护现有水资源的质量和数量，以及包括卫生在内的水资源的可持续使用。