I'm in the middle of a conversation, so please wait a moment.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

The Paleolithic is the first era of human history.

The Bronze Age was an important period in human history.

The Neolithic was an important period in human history.

The Azuchi-Momoyama period, also known as the Oda-Nobunaga period, was a very important time in Japanese history.

The Azuchi-Momoyama period was a very important time in Japanese history.

He said he couldn't agree with the views of the revisionists.

What is your name?

I was surprised by his sudden action.