Free fatty acids are used as an energy source in the body.

Essential fatty acids are vital nutrients for our health.

He is a genius, but even experts sometimes make mistakes. He also makes mistakes sometimes.

Tsarism was a historical political system in Russia.

I am thinking of a scheme for a new business.

My screen name is 'Sakura'.

His nickname is 'Samurai'.

When thinking about urban planning from the perspective of polycentrism, diversity and sustainability become important.

There are a lot of lemon balm growing in my garden.

I am pursuing a minimalist lifestyle.