问题
问答题
活水，乃私家园林的标志性元素，必不可缺。无水，则园中一草一石，一花一木皆了无生趣。
答案
参考答案：
解析：As an indispensable and symbolic element, water can never be absent in a private garden, or else the stones, trees, bushes and flowers in it would lose all their vitality.