And I responded to at least one email about this issue, someone quite correctly said tuple are immutable, how can I change one?

我在不止一封邮件里回复了这个问题,一些人很明智，知道元组不可变,但是疑问怎么能去改变他们，我的答案是？

麻省理工公开课 - 计算机科学及编程导论课程节选

Because in an under-constrained problem there could be multiple solutions. So suppose I want to capture all of them or print all of them out.

因为在一个非约束性问题中,可能会有多组答案,所以假设我想把它们,全部获取或者全部输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

On Sunspace were discussion groups for each one of the lectures and asked students to pose their prepared questions they went directly to the discussion space about that particular lecture.

在该空间中每个讲座,都存在相应的谈论组,学生要提出准备的问题,然后直接针对特定讲座,展开讨论。

麻省理工公开课 - 媒体、教育、市场课程节选

What this is, is you take a group of studies on an issue, you pool them all together, and then you weight studies differently depending on factors like how large they were, how good their methods were, and then you come out with overall estimates about the impact of something, in this case the Mediterranean Diet, on health outcomes.

所谓荟萃分析就是将某一问题的一组研究,汇总起来,并根据某些因素,赋予这些研究不同的权重,如基于研究的大小,研究方法的好坏等,然后得出关于某事物的影响的总体评估,在地中海式饮食中就是指健康结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you've turned in a program that's not syntactically correct, the TAs give you a zero.

不正确的,问题组，助教会给你们一个零分。

麻省理工公开课 - 计算机科学及编程导论课程节选