He had a child with his second wife.

He had two children with his second wife.

On my farm, we cultivate a large amount of sugar beet.

He is the strongest player on this team.

A big festival is held in this town every year.

Natural disasters are unpredictable, and we should always be prepared.

We need to come up with a new strategy to maximize profits.

We need to think of a strategy to maximize profits.

Understanding the algorithm of the regression tree is difficult.

My hobby is bonsai.