Why It is so hard to explain or show some thing
摘要：
Why it is hard to explain something or learn something?
For example, when I first know the hadoop, I did a few search and made some little effort to t... 阅读全文
posted @ 2015-10-28 16:39 kramer 阅读(151) 评论(0) 推荐(0) 编辑
