All of our science comes from the fact that our ancestors were able to do something extraordinary every day, which was just rely on their naked feet and legs to run long distances.
我们所有的科学都来自这样一个事实 我们的祖先能 每天做些非同凡响的事， 仅仅靠他们的赤脚和双腿 就能跑很长的距离。