My new barrel arrived yesterday.

He is thinking about a marketing strategy.

This model of the cubohemioctahedron is very beautiful, isn't it?

He has a deep interest in toponymy.

He is interested in toponymy.

We are planning a campaign for the sales promotion of the new product.

In the old days, people used to consider milk as an important source of nutrition.

The Earth is our home.

Tom was proud of his knowledge and wisdom.

My father is a doctor.