This furniture is characterized by its old-fashioned design.

This house is an old-style Japanese house.

There is a closing ceremony at school tomorrow.

There is an opening ceremony at school tomorrow.

The opening ceremony was very glamorous and moving.

I attended an awards ceremony yesterday.

It's difficult to solve this formula.

I attended the unveiling ceremony of the new park.

We attended his memorial service.

I learned how to create formulas in math class.