arch_design_one_two_three. 这是一本讲解架构设计方法论的书，方法论是指我们不但要讲怎么做架构设计，还要讲为什么这么设计，背景是什么，逻辑是什么，是怎么想到的，等等等等。

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.