杨茁vs星当:What kind of players participate in sports as a pastime?

What kind of players participate in sports as a pastime? What kind of players play a sport for money? what kind of 与which kind of 有何区别 what kind of dog has no tail What letter is a kind of drink? what letter is a kind of drink A cabbie drives what kind of vehicle? What kind of MP3 should I buy What kind of hand cannot hold anything ? What kind of hand cannot hold anyting?