While the under-provision of public goods takes its most dramatic form when the public good is "pure", the provision of less-than-pure public goods is also problematic.
当某公共货物是纯善的，公共货物以引人注目的形式呈现出拨备不足时，不纯善的产品的供给也有问题。
The heart not good fertile farming, with infinite treasure. We should have a pure heart, go to the public good. Will be blessed with no edge.
心作良田耕不尽，善为至宝用无穷。我们应有纯洁的心灵，去积善为大众。就会获福无边。
Radically changes the traditional public idea: library is pure cause of public good and pure consume unit and makes it a kind of industry.
彻底转变人们那种图书馆纯公益事业、纯消费单位的观念，使之成为一门产业。
应用推荐