Now, in the early days of my lecture, when I used to talk about risk, that is all I would say. 在我早先的演讲中，当我谈到风险的时候，我就只讲上面这些就够了。 But people would sometimes try to ask me a question during the Q&A pe

We need to start talking about how women underestimate their abilities compared to men and for women, but not men, success and likeability are negatively correlated. 我们要讨论女性相比男性为什么会低估自己的能力。而且和男性不同，对于女

【背景提示】 美国西弗吉尼亚州一座煤矿当地时间2010年5日15时（北京时间6日凌晨3时）左右发生爆炸。这家煤矿位于州府查尔斯顿以南大约48公里处。救援人员赶赴现场实施紧急搜救。 　这起爆炸事故的确切原因目前尚不清楚，但有专家分析称甲烷爆炸应该是肇事元凶。这种有“矿工杀手”之称的无色无味气体如果在井下空气中积聚到一定浓度很容易引发爆炸。不过也有分析指出，甲烷爆炸多发生在冬天，而不是春季，事故源头还

So we need to make damn sure that the programs that our kids are receiving are not only having a positive impact, 因此我们要确保我们的孩子们正在接受的项目不仅是对他们有积极影响的， but having a lasting impact as well. 而且还要有持续的影响。 And

Typewriters were very expensive and my family could not afford one. 打字机非常昂贵，我的家庭负担不起。 I was one of two kids from Baldwin County that was chosen to go to Washington along with hundreds of other kids ac