There is no more than thirty yuan in the drawer.抽屉里只有30块钱。

more than 就相当于only，意思是“只，仅仅”
　　再如，
　　She is no more than an ordinary worker but she has invented a lot of new machines．
　　她只不过是一个普通的工人，可她却发明了许多新机器。