translation.en: First thing for my wife, and the most common thing I hear from my patients, particularly in the 40- to 80-year-old age group, 70-year-old age group, is they come in and say, "Hey, Doc, isn't there just a shock absorber you can put in my knee?
translation.zh: 这是从我的妻子那里最先听到的 以及从我的患者口中 尤其是那些40-80岁年龄组中的70岁年龄组 最常听到的是 嘿，医生，我的膝盖中的放得只是一个减震器对吗