So this chapter’s first task is to defineand explain net present value, rate of return, and opportunity cost of capital.
因此本章的第一个任务就是定义和解释净现值、回报率和资本的机会成本。
2
Community exploitation: the seeding and exploitation of community interaction in a value-net, leveraging the collapsing cost of reaching individuals and identifying common interests.
利用社区：培养和利用社区交互以形成价值网络，需要很少的成本就可以接触到个体和了解共同的兴趣。
3
The traditional investment decision methods, represented by Net Present Value method, compare the present values of expected income and cost stream to decide.