jié​liú

to reduce expenditures

Senses

节流/ 節流 jié​liú throttle

device that controls the flow of a fluid, such as a throttle, choke, or weir valve

节流/ 節流 jié​liú to control water flow

to regulate or restrict the flow of water

References

see 节流/節流 开源节流/開源節流
antonym 开源/開源 节流/節流