Definition: the fact of operating or being active Level: C1
新的回收工厂现已全面投入运营。
The new recycling plant is now fully in ___operation.
更新的安全规程将于下个月生效。
The updated safety protocol will come into ___operation next month.
在现代医院里，计算机持续运行。
Computers are in constant ___operation in modern hospitals.
