He finished reading the book.

I finished reading that book.

This company is like a Liangshan Marsh, where ambitious men gather.

The dormitory housemother cleans our room every day.

In physics, it is important to calculate the center of mass of an object.

This story is about two heroes joining forces to defeat evil.

He is managing that land as his own territory.

This robot is a mass-production type, so the price is reasonable.

We need to increase the production of goods.

We need to increase the production of goods.