目前,水土流失问题已经是中国的头号环境问题,它不但导致了生态失调、恶化生态环境,而且关系到国家的长治久安。介绍中国水土流失的现状及危害,并探讨几种治理方法。 At present, the issue of soil and water loss is already the number one environmental issue in China. It not only leads to ecological imbalances but also worsens the ecological environment, and it also affects the long-term peace and stability of the country. Describe the current situation and harm of soil and water loss in China and discuss several governance methods.