This plant produces accessory fruits.

The effect of this medicine is very powerful.

Ayaka is my best friend.

I'm troubled by his unproductive attitude.

Japan's gross national product is the third highest in the world.

Japan's gross domestic product is an important indicator of the health of the economy.

Japan's net national product is an important indicator of the health of the economy.

He is obsessed with the world of social media.

He has claustrophobia and is afraid to ride in elevators.

He is an expert in phytopathology, making a significant contribution to agriculture.