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