in advance of something

Từ điển Oxford Advanced Learner 8th

in advance (of sth) idiom
1. before the time that is expected; before sth happens
•a week/month/year in advance
• The rent is due one month in advance.
• It's cheaper if you book the tickets in advance.
•People were evacuated from the coastal regions in advance of the hurricane.
2. more developed than sb/sth else
•Galileo's ideas were well in advance of the age in which he lived.
Main entry: ↑advance_idiom