You look at the returns that are reported for hedge funds in aggregate--they're generally 12%,13%,14% per year for the last five or ten years.
看一下过去5到10年间,公报中的对冲基金年平均收益率,普遍来说是12%,13%,14%
This is a course, a version of which I've taught almost every year for the last twenty years and it evolves a little bit every year.
诚如你们所见,在过去二十年中,几乎每年我都要讲授这门课,这门课程每年都会与时俱进
Suppose someone is investing your money and he announces, I have had very good returns. I have invested and I've produced 20% a year for nine out of the last ten years.
假设一个人帮你投资,而且他声称,我投资回报很高,我过去的十年中有九年的收益都是20%
I mean we haven't, we don't really have a second version which is constantly... So I guess for most of last school year I just worked on scaling and kind of trying to make it keep up with the increasing load and trying to make it so that we can expand more, adding more schools.
说实话,我们从来没有,第二个版本。,我记得,在上一学年大部分时间里,我都在致力于扩大网站规模,这样是为了应对,不断增长的访问量,我试着完成目标,这样就能吸引更多学校。
Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.
去年的教材有些地方有略微改动,去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。
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