Oh no, I left my keys at home.

Kyoto has a sister city relationship with Boston.

This is my salary.

He wrote his name on the paper.

He was able to turn his designs into physical form using his new 3D printer.

In my school, we are creating various projects using a three-dimensional printer.

This paper is very thin.

I make origami using paper.

This problem is a piece of cake for me.

This problem is a piece of cake.