The secret of love is not making demands of each other . love that is not freely given is bondage 爱的秘密是;不互相索取.如果没有无偿的奉献,爱将是一种束缚
Rent setting makes supply of rent , rent seeking makes demand of rent , both the two sides follow the principle of utility maximization while doing venture business with each other 设租行为产生租金的供给,寻租行为产生租金的需求,供求双方在带有风险性的租金市场上进行交易时,遵循效用最大化原则。