Some gyms have very low monthly membership dues, but they tack on additional fees for features you might think are included, like cardio classes, locker use, or even towels.

一些健身房每个月收取很少的会费，但他们在一些你认为应该包括在会费里的，例如有氧训练课程、有锁储物柜甚至毛巾的使用等项目收取额外费用。