Understanding the rules of 'Ha-gyou tenko' is difficult.

As soon as he arrived, he said 'I just got here.'

The Transmission Control Protocol is an important element for ensuring the reliability of data communication.

He lost his virginity yesterday.

He lost his virginity last night.

He roughly carved the wood into shape.

His blood congealed with fear.

He goes fishing in the sea every day.

In linear algebra, the upper triangular matrix plays a very important role.

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