它们是传统理论上的独立自治的人的所有物which 指代前面的practices,in which就是 in practices;再把in which放到从句的最后。变成2句话就是a person is held responsible for his conduct and given credit for his achievement in practices;they are essential to these practices.可能我讲的不是太准确,但是从句是应该是这样理解的。...