美国的体育热度与日本人研究的木炭有很大关系,乍一听起来,觉得茫然。美国是经济高度发达国家,随之而来的一系列非传染性“文明病”在美国流行。因此,人们惧怕疾病的危胁,不得不大大兴起了“大众体育”热潮。人们走向大自然,去用各种方式锻炼身体,如长跑、铁人三项,森林浴,泥浆浴等等。这种热潮被敏感的日本商人所利用。因为去郊野锻炼有时需要野 The United States has a lot to do with the charcoal studied by Japanese people, and at first glance, it felt dazed. The United States is a highly developed economy, followed by a series of non-contagious “civilized disease” in the United States. Therefore, people are afraid of the threat of disease and have greatly aroused the “mass sports” upsurge. People go to nature, to exercise a variety of ways, such as long-distance running, Triathlon, forest bath, mud bath and so on. This craze is used by sensitive Japanese businessmen. Because sometimes to the country to exercise field