He is working on the project with single-minded devotion.

In our house, we watch foreign news using satellite broadcasting.

In organic chemistry, the concept of cis-trans isomers is important.

In organic chemistry, cis-trans isomerism is an important concept.

The rotator cervicis is an important muscle for turning the neck left and right.

The protection of this town is my responsibility.

On is always maintaining a calm attitude.

He was worried about starting a new project, but I advised him, 'Doing something is easier than worrying about it.'

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

He decided to quit his job because it was a low salary.