Four Hundred Kilometers Per Hour

"The speed of four hundred kilometers per hour is the proper speed for badminton smashes. Yudan's inscription - 1997" On the day before Haben's grandfather moved to live in seclusion in the mountains, Haben wrote this inscription with a brush, embedded it in a black frame, and hung it on the wall of the living room of Haben's current home. All children in the Yu family will be instilled with a certain concept by the elders of the previous generation; Every member of the badminton family is born with a unique ability to play badminton. As long as they can find out their own characteristics and exercise them consistently, they will definitely have a career in the world of football and become famous and successful.