translation.en: So what we've been working on for the last year and a half is a new website -- it's called Duolingo -- where the basic idea is people learn a new language for free while simultaneously translating the Web.
translation.zh: 过去一年半里我们建立的新网站 叫做Duolingo－ 就是基于这个让人们免费学习外语 同时翻译网页的想法