1 . in advance 事先，提前。如：
The heavy luggage was sent in advance. 笨重的行李已事先送去。
Everything has been fixed in advance. 一切都已预先安排好了。
2 . in advance of 在……前面，超过，比……进步。如：
She walked in advance of her husband. 她走在她丈夫前面。
He is far in advance of his class. 他在班上遥遥领先。
3 . on the advance 在上涨。如：
Silk is on the advance. 丝绸价格在上涨
