increase 和enhance 两个不都是动词吗,怎么可以这样放,是不是中间缺一个“/”,表示两个词并列

题目

increase 和enhance 两个不都是动词吗,怎么可以这样放,是不是中间缺一个“/”,表示两个词并列
On the other hand,students should increase enhancetheir awareness of environmental protection.

答案

是的,increase和enhance都是增强、提高的意思,应该是缺了“/”
On the other hand,students should increase/enhance their awareness of environmental protection.