Nonavailability
未利用率
🗣️ 情景例句
There is an emergency. Please send a fire engine.
这有火灾，请尽快派消防车来。
It was not very wise of you to sell the property.
你把物业卖了可不是办法。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？