He is known as a person with learning.

Since it started raining, I opened my umbrella.

Understanding stochastic processes is an important part of statistics.

The Markov process is a part of probability theory and is useful for modeling random phenomena.

It is important to understand the importance of health.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

In this forest, various organisms live by building a relationship of mutualism.

The relationship between this seaweed and the clownfish is called commensalism.