He specializes in the study of fish claspers.

My grandfather is eighty-eight years old.

Mr. Hachijuhachi is my best friend.

Long-haul flights increase the risk of economy class syndrome.

You must be careful of economy class syndrome on long flights.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

We respect Japanese culture.

We are going on a trip tomorrow.

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