This product is expensive compared to other equivalents.

What is this solid made of?

There are sediments at the bottom of this lake that have accumulated over centuries.

There are many things placed in my room.

Today is my birthday, a very lucky day.

Today is my birthday.

Saturday is my day off.

He was focused on his work all day long.

One day, he suddenly decided to go on a journey.

No one knows what he did to spend one day.