However, the continued degradation of coastal and marine ecological systems caused by land-based human activities and the overexploitation of marine fisheries continues to be a source of great concern for us.
然而，人类的陆上活动和海洋渔业的过度开发所造成的沿海和海洋生态系统持续退化，仍然是令我们非常关切的一个问题。