business hours
noun/ˈbɪznəs aʊəz/
/ˈbɪznəs aʊərz/
[plural]- the hours in a day that a shop or company is open
营业时间；办公时间 - You can call the helpline during normal business hours.
你可以在正常营业时间拨打服务热线。
- You can call the helpline during normal business hours.