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

I conducted a research project as a summer vacation homework.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He has a deep interest in archaeology.

He likes to take a walk in the park at dusk.

He is spending a lot of time on experimental research.

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

Well then, I'm off.