In the absence of well-established, globally accepted indicators for monitoring integrated water resources management, it is difficult to state with certainty the status of integrated water resources management in each country, and to make comparisons across countries.
41. 由于没有全球认可的监测水资源综合管理的既定指标，难以确切地说明各国水资源综合管理情况，也难以对各国进行比较。