translation.en: If I was to take an MRI of every person in this audience, 60 percent of you would show signs of bone degeneration and cartilage degeneration like this.
translation.zh: 如果给在做的所有人都做一次MRI， 在座各位中60%以上的人 会看到跟我一样的 骨头和软骨退化的迹象。