użyteczny przydatny in English:

useful information

In some rural areas, the Internet is important for agricultural information, as well as being particularly useful for the purposes of agricultural production technologies and pricing.

If you want a golden rule that will fit everybody, this is it: Have nothing in your houses that you do not know to be useful, or believe to be beautiful.

The same energy of character which renders a man a daring villain would have rendered him useful to society, had that society been well organized.

The walking stick serves the purpose of an advertisement that the bearer's hands are employed otherwise than in useful effort, and it therefore has utility as an evidence of leisure.

Being an anglophone is a double-edged sword. On one hand, you speak perfectly the world's most useful language. But on the other, no one wants to speak anything else with you - making foreign language acquisition difficult.

Making a clean separation between the "useful" and the "useless" is about as straightforward as drawing the fine line between water and ice.

What harm would it do, if a man told a good strong lie for the sake of the good and for the Christian church … a lie out of necessity, a useful lie, a helpful lie, such lies would not be against God, he would accept them.

Choose three words or phrases relating to your topic that other students might find interesting and useful and present them to the class.

Download Shtooka Recorder and get familiar with it. You will be using it to record the sentences. It's a very useful program.

We've got taller so they don't fit. "Right, it's certainly not that we've got fat!" "The useful phrase 'grown up' is our trump card."

I think it might be useful if you could add how to output the diphthongs (with small ya/yu/yo) and geminate consonants (with small tsu).