“你好”是我们现在最常用的问候语,但它具体是什么意思却从来没有想过。
Grammar Checkers
Two grammar checkers: grammarly.com and 1checker.com.
Hexo Generated Blog
Migrant the blog to hexo.
Duolingo
Duolingo is really a good software for languages learning.
Currently I am learning three languages in Duolingo, French (le français), German (Deutsch), and Spanish (español, castellano).
I have tried Italian (italiano) and Portuguese (português), but I have no time and effort left for these two.
联合国宪章之敌国条款
Reference Management Tools
Lecture Notes for German Lecture
notes for the german course.