We all know that the world has undergone a revolution.

If the world has undergone this experience before, which is not outside the range of possibility, it was certainly a very long time ago.

First, the world will undergo the worst earthquake known to man.

Since then, the world has undergone even more radical changes.

And very gradually, I began to understand the caliber of the changes that the world had undergone.

To his way of thinking, the world undergoes change only in the human consciousness.

And once out, the world underwent a swimming, twisting change.

Early in the 22nd century, the world underwent a vast and rapid change.

Since the original development policy was adopted in 2000, our world has undergone a number of changes.

The world of work has undergone some major changes.