There is an old incandescent light bulb in my room.

It is generally believed that the life of the middle class is stable.

He emphasized the importance of class struggle.

Higher fatty acids play an important role in our health.

This food is rich in higher fatty acids.

He believes in the geocentric theory.

We are focusing on the research and development of new products.

This area was formed under the influence of a lava dome.

Tomorrow's flight has been cancelled as planned.

Tomorrow's flight has been cancelled as planned.