If you're unsure about that, check out, of course, chapter three in the textbook, where these issues are addressed.

当然,如果还不确定,可以看看课本的第三章,这些问题都提到了

耶鲁公开课 - 聆听音乐课程节选

And so this is not like a math problem set or a physics problem set. Or, like a high school physics lab, where we all know what the answer should be, and you could fake your lab results anyway.

或是物理问题集合,又或者是高中的物理实验室，我们对这些问题都有确切的答案，或者你可以把你的实验结果改成正确的，有些事情是不能明确界定的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Everything should be pretty self-explanatory and if you have any questions you can just contact me or ask me questions after class.

这些材料应该都很容易理解,如果有问题的话,可以在课后提问或和我联系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选