My elder brother is a doctor.

Your existence is a great blessing to me.

Mobile phones have become indispensable in our lives.

My new car is a light vehicle.

Kaoru's room always smells good.

Statistical mechanics is a branch of physics that provides a theoretical framework for understanding macroscopic phenomena from a microscopic perspective.

Bose-Einstein statistics is one of the important concepts in quantum mechanics.

Fermi-Dirac statistics is a theory that combines quantum mechanics and statistical mechanics.

The International System of Units is the standard measurement system used by scientists all over the world.

I felt his behavior was very free.