mark something down

Từ điển Oxford Advanced Learner 8th

ˌmark sthˈdown derived
1. to reduce the price of sth
•All goods have been marked down by 15%.
Opp: mark up
related noun ↑markdown
2. to make a note of sth for future use or action
•The factory is already marked down for demolition.
Main entry: ↑mark_derived