His research is drawing society's attention to environmental issues.

He always proactively suggests new ideas.

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

I attended an awards ceremony yesterday.

It's difficult to solve this formula.

We attended his memorial service.

The calculation of determinants is an important part of mathematics.

I learned how to create formulas in math class.

He created a formula to solve the problem.

I love Doria-style dishes.