For beginner exercisers, mirrors can be daunting," she said.
Martin Ginis suggested gyms provide areas without mirrors to encourage novice exercisers."Women don't need to exercise in a gym," she said. There are other ways to get your exercise. 散步30分钟或徒步旅行也不错
单词提示：
daunting adj. 令人畏惧的; novice n. 初学者
答案：Thirty minutes of walking, or hiking is good too.
本句节选自《Mirrors tarnish women's image ?》