They're rules for how a company should keep its books so that there's some regularity and standards in how accounting is done.

准则规范了公司如何记账,并建立了一套,会计规范和标准

耶鲁公开课 - 金融市场课程节选

And nothing in this world should be done before its time."

没有事物在它不该结束之前就结束

耶鲁公开课 - 美国内战与重建课程节选

I'll compute its value. Then I'll empty the backpack out, put another combination of stuff compute its value, try all possible ways of filling up the backpack, and then when I'm done, I'll know which was the best.

直至把它填满，然后计算价值,然后我把包里的东西都导出来,再换一堆东西计算它们的价值,尝试过所有填满包的方案后,我就知道哪一种方案是最好的了。

麻省理工公开课 - 计算机科学及编程导论课程节选