省的

例句：

1. 1. She is very frugal with her money.
   她非常节俭。
2. 2. We should be sparing in our use of resources.
   我们应该在使用资源时节俭。
3. 3. The old couple was frugal with their time and energy.
   这对老夫妇在他们的时间和精力上都很节俭。