in advance (of (something))
before something happens.
Tickets cost $6 in advance and $8 on the day of the show.
Police checked over the building in advance of the president's visit.
英语词组固定搭配大全包含18674条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。