I haven't got much time to write, so here is my cheat for the day. Let's just watch a few thought-provoking clips by Karl Fisch.

Did You Know

Did You Know - 4.0

Did You Know - 2008

創作者 Julia1492 的頭像

My Corner for Education

Julia1492 發表在 痞客邦 留言(0) 人氣()