I used an optical microscope for an experiment at school.

He had a throat problem, and it was found that his posterior cricoarytenoid muscle was not functioning properly.

He is spending money unreasonably.

I apologize for not contacting you for a long time.

The Emperor is a symbol of Japan, symbolizing the unity of the people.

We practice natural farming without using chemical fertilizers.

He calls every day to solicit for the new product.

It's my habit to read the evening paper every day.

He is suffering from the misery brought by literacy.

My father went to Tokyo on a solo assignment.