We need to make a test calculation of the cost for the new project.

He is a successful businessman and is now known as a wealthy person.

Lipids are one of the important nutrients for our body.

He provided assistance for my project.

He assisted me in completing the project.

I could feel the suggestion of a new idea from his talk.

He suggested something with a smile.

Mr. Shishido is my best friend.

He is a narcissist who loves himself.

His teeth have strong dentin, making them less prone to cavities.