事实上，它没有用上，因为不再需要它。

Actually, it is not used, because it is no longer necessary.

youdao

它没有用于标识内容是否完全的内置方法。

It doesn't have a built-in way to signal whether the contents are complete.

youdao

示例程序是一个控制台的应用程序，所有它没有用户入口。

The demo app is a console application, so it really has no user interface.

youdao

And you just think that's just gone, if that sea decide to take that house, it's gone, you cannot do it.

这时你会想说，这房子肯定会被毁掉的，如果大海要毁掉它，它就会毁掉，做什么都没有用的。

普林斯顿公开课 - 人性课程节选

But if you don't actually do anything with it, -- it simply disappears, and, therefore, it's -- well done, classmate Number Two.

但是如果你的确是没有用它做任何事情，它只不过是看不见的，因此，它是-,做的好，第二号的同学。

哈佛公开课 - 计算机科学课程节选