Central China is one of the economic centers of China.

It's difficult to calculate the volume of this prism.

She takes good care of her body and strives to foster the growth and health of her breasts.

Proper nutrition and exercise are necessary for fostering the growth and health of breasts.

He milks the cows every morning.

We decided to outsource part of this project.

We decided to outsource this project.

He repeatedly entered and exited the room without permission.

He is the man in her mind.

I was bitten by a harvest mite and my skin became itchy.