This is me building a prototype for six hours straight. This is slave labor to my own project. 这是我正在做一个模型，足足花了6个小时。完全是苦力活。 This is what the DIY and maker movements really look like. 这就是所谓的自己动手做和自造者运动。
And then -- this is the key part -- that block is linked to the previous block 随后是关键的部分，该区块连接到前一个区块， and the previous block to create a chain of blocks. 以及更前面的区块，形成了一连串的区块。 And every one is time-stamp
My Definition of SuccessBy Chen Heng 陈恒 上海外国语大学获得第五届全国英语演讲比赛冠军)专家点评:演讲开头用了一个寓言故事，十分生动，最后点出对成功的看法，达到了点题的效果。 “Once upon a time， there was a king who had a daughter as beautiful as a blooming rose.
On Sept. 11,2001, America suffered the worst terrorist attacks in our history. 2001年9月11日，美国遭受了建国以来最严重的恐怖袭击。 The attacks were carried out by foreign nationals who exploited our lax immigration laws 那次
