摘要
Sport is probably the most ubiquitous voluntary human social activity. Defined as the playing of competitive games according to rules, sport forms a microcosm of human society that combines playfulness （＂homo ludens＂）, healthfulness,
Sport is probably the most ubiquitous voluntary human social activity. Defined as the playing of competitive games according to rules, sport forms a microcosm of human society that combines playfulness （＂homo ludens＂）, healthfulness,
