现代时代的问题是个人在面对社会机制的压倒性力量时的自我保存问题。
The problem of the modern age is the problem of the individual's self-preservation in the face of the overwhelming power of the social mechanism.
纯粹经济学与纯粹政治学之间的桥梁是公共选择理论。
The dairy industry must balance tradition with innovation to meet modern demands.