功能是一样的英文

其实两款机器在使用和功能都是一样的,只不过是外观不同,现在机器外表颜色不能改变了As a matter of fact, the two machines are identical in usages and functions, just slight difference in appearance which color can't be changed now.

你好楼主！下面几个都作名词都是功能的意思：1.function 2. duty3.efficiency

中了