The steel railway tracks were now useless.

钢铁轨道现在也没用了。

youdao

So when I said earlier that as soon as swap returns, all of the memory allocated for swap is now useless.

我前面指明的，一旦swap返回，所有为swap分配的内存都是无用的了。

youdao

Tears now are useless.

现在流眼泪也没用了。

youdao

So when I said earlier that as soon as swap returns, all of the memory allocated for swap is now useless.

我前面指明的，一旦swap返回，所有为swap分配的内存都是无用的了。

哈佛公开课 - 计算机科学课程节选

Now as an aside, I'll admit this is a completely useless program, much like the first couple of ones we did because why would you write a program just to solve this?

说点题外话，我承认这是一个完全无用的程序，跟我们之前写的两个程序一样,我们为什么需要写个程序来解决这个数学运算呢？

哈佛公开课 - 计算机科学课程节选

Penicillin is now useless against one-third of all Streptococcus pneumoniae, a common cause of pneumonia, meningitis and ear infections.

FORBES: Magazine Article

Shortly thereafter, i-Free Innovations pulled the now-useless app from the iTunes store.

FORBES: The Reaction To 'Girls Around Me' Was Far More Disturbing Than The 'Creepy' App Itself

Bottom line: To all intents and purposes, WPS is now completely useless.

FORBES: Your WiFi is (Possibly) No Longer Secure!