使用 Sketch 进行 App 新项目设计，分步骤指南（怎么画马？怎么画猫头鹰？） // A Step-by-Step Guide for Starting a New App Design Project in Sketch https://t.co/7XXiuqJUpJ
https://medium.com/ux-power-tools/a-step-by-step-guide-for-starting-a-new-app-design-project-in-sketch-469df0f24af8#.1bwgfxvx7
