He visited the used bookstore to resell old books.

We successfully completed a big transaction.

He works at the Tokyo Stock Exchange.

He likes to take a walk in the park at dusk.

Pyramid schemes are prohibited by law.

In genetics, linkage disequilibrium is a very important concept.

I bought a drink from the vending machine.

We should always remember the power of Kannon in difficult times.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

He contracted severe invasive streptococcal disease and underwent emergency surgery.