In conclusion, walking is a cheap, safe, enjoyable, and readily available form of exercise.

综上所述，散步是一种廉价、安全、有趣而又随时可以开展的运动形式。

《柯林斯英汉双解大词典》

Walking, done in the right way, is a form of aerobic exercise.

走路方法得当的话是一种有氧锻炼。

《柯林斯英汉双解大词典》

It's this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.

马萨诸塞州塞勒姆大学的运动科学助理教授贾克琳·诺伯格说，正是这种奇特的形式使竞走成为一项有吸引力的活动。

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Employees who fail to meet this BMI target would still get the reward if they participate in a walking exercise program of 150 minutes per week.

FORBES: Employers: Get Fiscally Fit with Wellness Programs

The best exercise in my opinion is walking.

FORBES: How To Stay Healthy

Greater Manchester Police said people should exercise caution while walking their dogs in the area near the reservoir and report any suspicious packages.

BBC: Patch