Venezuelan President Chavez said in Moscow Sunday he had obtained a $2.2-billion line of credit from Russia for 90 T-72 tanks and an advanced long-range air defense system.

VOA: standard.2009.09.15

Isn't this amazing that 2,000-2,500 years ago, we still have the letters of the man ? who wrote this book?

这不是很神奇吗？已经2，000-2，500，年了，而我们仍握有,写下本书的作者亲笔信？

耶鲁公开课 - 政治哲学导论课程节选

I'm talking about four-week Treasury bills; 2.25% the Federal Funds Rate is still at 2.25% but at least the more prominent three-month T-bill rate is at the end.

我在谈论月国库券；,联邦基金利率仍在%,但是至少显著地,季度国库券利率还在最低端。

耶鲁公开课 - 金融市场课程节选

And a bit, B-I-T, just a shorthand for binary digit, 2 so a digit of zero over a one, bi means two, you only have two digits.

比特，B-I-T，是binary，digit的简写，从0到1的数字，而bi表示，所以你就只有两个数字。

哈佛公开课 - 计算机科学课程节选

For example, if t* is the time you hit the ground, then t* satisfies the equation h - 1/2 g ^2 = 0.

例如,如果在 t* 时刻落地,那 t* 就满足等式 h - 1/2 g ? ^2 = 0

耶鲁公开课 - 基础物理课程节选