He faced many difficulties before he succeeded, but as they say, the road to happiness is strewn with setbacks.

Watashi lives in Japan.

This species of bird has a polygynous breeding pattern.

She has polycystic ovary syndrome.

The multi-armed bandit problem is a part of probability theory, providing an algorithm for making optimal choices.

Thank you for waiting, here is your grilled eel rice.

In this world, there are as many ways as there are people, each walking their own path.

He injured his semitendinosus muscle.

He injured his semimembranosus muscle.

It is important for us to respect cultural diversity and understand each other's differences.