He was working for free for his friend.

The word 'hatarakikotoba' is used in this old document.

I prefer cash transactions.

We are looking for a new client.

He bought stocks at that exchange.

The Supreme Court is the final court for interpreting the laws of the country and protecting the constitution.

We successfully completed a big transaction.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'