Real analysis is a branch of mathematics that studies the properties of real numbers and the functions on them.

I often go fishing on weekends.

He was arrested on suspicion of kidnapping a child.

He was always envious of others' success, saying that the grass is always greener on the other side.

Akami is my best friend.

The flavor improves when you use cottonseed oil in cooking.

Due to the unstable weather this year, a poor crop is expected.

This system enables real-time operation.

Mieko is my best friend.

His jokes often turn out to be many a true word spoken in jest.