SMART Vocabulary: relevant words and phrases and phrases Working several hours following hours idiom business working day clock in phrasal verb clock out phrasal verb shut of business full time hour in-support gentleman-hour night change time beyond regulation punch out phrasal verb punch the clock idiom minimized time rush hour https://businessflightshop.co.uk/blog/how-to-book-the-most-affordable-business-class-or-first-class-flights/