밑줄 친 부분에 들어갈 말로 가장 적절한 것은? People in contemporary society are often uncomfortable with concepts of commitment and obligation―consistent with the negative stance corporate attorneys have toward commitment and open-ended agreements. In contrast, obligations and duties constitute much of social life in traditional societies (tribes, clans, or feudal systems). Tribes people such as the Navaho and aristocrats are to their obligations born. In a traditional world, nothing is particularly ____________ about obligations and duties. They are the fabric of social life. But in a modern world, the striking feature of contractual obligations is that their basis is individual freedom of choice.