more than 和 over可以通用 例子：The whale is over 100 tons. =The whale is more than 100 tons. 鲸鱼超过100吨more than 常用三层含义:1)=over 多于 eg:There are more than 40 students in our class.2)=not only 不仅仅 eg:He is more than our teacher,he is our friend.3)=very 非常eg:He is more than clever.
