下面句子最后的off是如何理解,The robot that can clean your house and cook your food may still be a long way off.
问题描述：
下面句子最后的off是如何理解,
The robot that can clean your house and cook your food may still be a long way off.
答
让机器人兼备清理房间及烹饪佳肴的功能仍有很长的路要走
答
这是一个口语,意思是还有很长一段距离,离得很远