SMART Vocabulary: Associated words and phrases and phrases Operating hrs immediately after several hours idiom business day clock in phrasal verb clock out phrasal verb close of business full time hour in-service gentleman-hour evening change time beyond regulation punch out phrasal verb punch the clock idiom lessened time hurry hour https://businessflightshop.co.uk/blog/why-should-shouldnt-you-not-upgrade-to-first-class-or-business-class/