Wikipedia

wikipedia is a dictionary that can surf people, things and most things you want to know.

 http://zh.wikipedia.org/wiki/%E7%BB%B4%E5%9F%BA%E7%99%BE%E7%A7%91

wikipedia

“change my topic”

while I’m thinking what I’m going to do. I’ve notice the topic is too difficult for me to do. So I’ve decided changing my topic into “tools for knowledge”, such as wikispaces …….