Functional analysis is a branch of mathematics that studies the properties of functions in infinite-dimensional spaces.

When he had a problem due to his own actions, he remembered the phrase 'chickens come home to roost'.

The melon fly ate the melon.

In spring, the Chinese sour cherry blossoms beautifully.

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

Akami is my best friend.

The flavor improves when you use cottonseed oil in cooking.

This system enables real-time operation.

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

Mieko is my best friend.