１００年あるいは５０年前事情はどうであったか私は知らない。の英語

I don't know how things were a hundred or fifty years ago.

Japan has been quite different from what It was fifty years ago.

Japan is very different from what it was fifty years ago.

You remembered something from 50 years ago.

The same thing will not happen to us in one hundred years from now.

Such things as television and computers could not have been dreamed of fifty years ago.

The time that it happened was 50 BCE.

As for me, I want to make robots that give emotional support to people.

fifty years

This has nearly 500 years of history.

Do not say that it will make no difference fifty years hence.

Until about 70 years ago, they were thought to have been extinct.

People used to say that man's span of life is but fifty years.

aren't there shades of 1948 here?

This has about 500 years of history.

more than five decades

Even after 50 years, confusion remains.

From 30 B.C. to A.D. 20 is 50 years.

The man controlled the country for fifty years.

The ritual has been performed for over 500 years.

This town is said to have roughly 500 years of history.

We will trace 500 years of history.

That hotel was established about 50 years ago.

the decade from 1950 to 1959

This is a world story for 600 years from now.

in the late fifties and sixties

Fifty years ago anyone could have bought the land.

If my memory serves me correctly, you are 50 years old.

forty years

fifty years ago