你是我所需要的力量。
只要我可以从你那里取得我所需要的，而且我认为我为交换而付出的是公平的，我们就可以达成交易。
As long as I am getting what I want from you, and I think what I have to give in exchange is fair, we have a deal.
我想要概括的是有一种实用的方式创建一些简单的工具来支持你所需要的方法。
What I want to sketch is that there is a pragmatic way of building some easy tools to support the approach you need.
应用推荐