This is the 1646th most frequent Chinese word.
节约
"节约" means "to save" or "to conserve."
In this sentence, '节约' is used to suggest prudent use or conservation of resources, specifically water.
我们应该节约用水。
We should conserve water.
Here, '节约' implies the act of reducing energy consumption to achieve environmental benefits.
通过节约能源，我们可以保护环境。
By saving energy, we can protect the environment.
In this context, '节约' refers to efficiently managing and saving time to enhance productivity.