przestarzałe 英語で:

Technology becomes obsolete the older it gets.

make sth obsolete

As a programmer I can't use any obsolete technologies.

I call upon the scientific community in our country, those who gave us nuclear weapons, to turn their great talents now to the cause of mankind and world peace: to give us the means of rendering these nuclear weapons impotent and obsolete.

The obsolete regime is about to collapse.

Gas lamps became obsolete when electric lighting was invented.

components, which are become to be obsolete

In fact, each version should make the previous one appear obsolete.

to be rendered obsolete

Obsolete equipment. Will books become obsolete because of computers?

My phone is not worse than the other but a little obsolete

In the process, a few things that once were considered social mainstays are now either obsolete or well on their way.

Do you think it will be obsolete in 10 years' time?

Our computer system will soon be obsolete.

ASCII quotes are a substitute character for the “real” quotes that vary from language to language, and the advent of Unicode have rendered ASCII quotes obsolete.