Everyone in the company, from top to bottom, is very busy.
Tips
usage
When 上下 means 'approximately,' it follows a number: 三十岁上下 (around 30 years old). When it means 'up and down' or 'superior and subordinate,' context determines.
history
The pairing of 上下 reflects the traditional Chinese emphasis on hierarchy — 上 (superior) and 下 (subordinate) in social relationships.
