adj.节制的；规范的；禁止挥霍浪费的（法令等）
What sumptuary advice do they offer? 他们会给出怎样的节约建议呢？
The supply of urban water shall be subject to the principles of development of water supply, planned and sumptuary water. use. 城市供水应当以发展供水和计划用水、节约用水为原则。
