Clearly, athletes have gotten more savvy about performance-enhancing drugs as well, and that's made a difference in some sports at some times, but technology has made a difference in all sports, from faster skis to lighter shoes.
清晰可见的是，运动员们也已经得到了 更多关于兴奋剂的知识。 这有时会使一些运动产生不同， 但是科技已经在所有运动上造就了不同， 从更快的滑雪板到更轻的鞋子。