A. About 50 million Americans take part in fitness walking.B. People can do fitness walking almost anywhere and anytime.C. Sometimes new equipment is needed for fitness walking.D. People do fitness walking when they have no transportation.
A. About 50 million Americans take part in "fitness" walking.
B. People can do fitness walking almost anywhere and anytime.
C. Sometimes new equipment is needed for fitness walking.
D. People do fitness walking when they have no transportation.