ahead of和 in advance的区别和用法
问题描述：
ahead of和 in advance的区别和用法
答
1）ahead of （在空间或时间上）超前如：Let's cut through the woods and get 【ahead of】 them.加sb咱们穿过树林抄近路赶到他们前面去.He had to work hard to remain 【ahead of his classmates】.他必须努力学...