下次当你看到一个说产品的效率可以提高20%的广告，想想这些数量与相关性的准则，问问自己你会得出什么推论。

Next time you see an advertisement saying some product could be up to 20% more effective, think of these maxims of quantity and relevance, and ask yourself what inferences you are being led to draw.

youdao

我将向您演示DB 2优化器的工作方式，并提供编写能发挥优化器最大效率的SQL的准则。

I'll show you how the DB2 optimizer works, and give you guidelines for writing SQL that will get the most out of the optimizer.

youdao

为了获得机会表达自我，它们会写下自己的行为准则，而这一切，皆出于对效率，彼此关系与安全的无尚追求。

They will write their own opportunistic codes of conduct, animated by the need for efficiency, connectivity, and security above all else.

youdao