We crossed the river by crossing the pontoon bridge.

We should respect the ancient customs of that region.

He is doing a specialized study in economics.

He is specially studying mathematics.

I found a Japanese clover flower in the park.

His annual income is 5 million yen.

He has Buddhism as his religion.

My income varies every month.

A beautiful holly osmanthus is planted in the garden.

We threw a party to celebrate his birthday.