Definition
Used to indicate that a situation is proceeding as normal, despite the presence of a difficult or disruptive circumstance.
一切照常（尽管情况困難）
Despite the scandal, it was business as usual for the company.
儘管有醜聞，公司依然一切如常。
Even during the power outage, they managed to keep it business as usual.
即使在停電期間，他們依然設法保持一切正常。
After their main competitor went out of business, it was just business as usual for them.
在主要競爭對手倒閉後，他們依然一切如常。