The inclusion of more and more economic benefits in sports competition will drive some people to extremes. Although the natural abilities of athletes still dominate, if one-day science and technology means are sufficient to surpass the power given by nature, athletes do not need strict training in daily life. It is to strengthen the physique through instruments and surgery. Is there any essential difference between driving a motorcycle to participate in the 100-meter race? This is not only a problem for the sports industry but also a scientific dilemma. "This" in "this is not just a question for the sports world" refers to:. ['Enhance physical fitness through instruments and surgery.', 'The role of technological means exceeds the natural ability of athletes.', "Let athletes' natural abilities dominate.", 'Sports competition goes to extremes driven by economic interests.']