a class?

https://www.coursera.org...

應該比寫ｃｏｄｅ簡單ｏｒｚ

coursera!!!! my advisor talked about this for 10 mins last week!!

he said they only invited the top school to provide class. If you don't join, such as MIT and Harvard, you might lose...

no hydrology class...

MIT跟Harvard自己搞 叫edX

你都在家上這些學校的課唷?

我目前只上過兩堂啦 我覺得這些網站很棒啊 可以學到很多東西

nice website!