Now, we concluded last week at looking at sorts and efficiency, some new notation called asymptotic notation and we'll continue that story today.

上周我们着眼于排序和效率问题，并提出一些渐近线的新符号,今天我们将继续讨论相关内容。

哈佛公开课 - 计算机科学课程节选

If I were starting a new company, I would look for some large, fast-growing industry that was inefficient, and was not keeping pace with the changes that are possible.

要是开一家新公司的话，我会找一些大的，发展迅速但是效率较低的，没有跟上,变化的行业。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选