In two days, my grandmother will be 82 years old, and there's a 50 percent chance for people over 80 to fall at least once per year, which could lead to a broken hip or even worse.
还有两天，我的外祖母就满82岁了， 80岁以上的老人们有50%的几率 一年会跌倒一次或者更多次， 这会让他们摔伤髋部，或者更糟。