advancein advance (of sth)1.■before the time that is expected; before sth happens预先；事先:a week/month/year in advance提前一周/一月/一年It’s cheaper if you book the tickets in advance. 提前订票会便宜一些。People were evacuated from the coastal regions in advance of the hurricane. 飓风到来之前人们就被疏散离开海岸地区了。2.■be ahead of/before/in advance of your time 另见time