练习说明：
周一到周五是16个单词 + 一段翻译（单词做到认识就好，快速记忆多次重复。翻译关注紫色部分的表达，可以进行互译检测：看到中文回忆英文，看到英文回忆中文）
周六真题及其详解，再次巩固词汇体会完形题目
周日文章结构图，可以对照之前的翻译练习再次巩固
前期大家可以多关注单词。
In effect, the approach would create a “walled garden” cyberspace, with safe “neighborhoods” and bright “streetlights” to establish a sense of a trusted community.
Mr. Schmidt described it as a “voluntary ecosystem” in which individuals and organizations can complete online transactions with confidence, trusting the identities of each and identities of the infrastructure on which transaction runs.”
赖以进行的网络基础设施其实就是网络平台。
infrastructure基础设施
今日句子分析：
Mr. Schmidt described it as a “voluntary ecosystem” in which individuals and organizations can complete online transactions with confidence, trusting the identities of each and identities of the infrastructure on which transaction runs.”
这里的in which、on which也是定语从句，只不过in a voluntary ecosystem，run on the infrastructure介词提前。
