You move out to someplace that nobody bothered to farm before, because it wasn't profitable enough, because you need more land.

你搬到一块以前没人耕作过的土地上,因为它并不是那么有利可图,但是你需要更多的土地

耶鲁公开课 - 古希腊历史简介课程节选

In this description of the moderate and temperate enjoyment of nature, the Lady is giving us something like a Puritan economic theory.

在关于适度和有节制的享乐的描述中，这位女士给我们提出了类似清教徒的有利可图理论。

耶鲁公开课 - 弥尔顿课程节选

This industry that's got a lot of profit around it, what going to happen in this industry?

现在这是一个有利可图的行业,接下来会发生什么呢

耶鲁公开课 - 博弈论课程节选

They weren't very successful in growing it in huge amounts, but that short stapled cotton that eventually was the form of cotton that the cotton gin made into such a massive, marketable world product, is what made the cotton boom boom.

岛上的居民想大规模种植但没有成功,因而海岛棉,这种粗绒棉,逐渐成为了棉花产业的主流,轧棉机的发明成为了种可大量生产,且有利可图的产品,也因而棉花产业越来越兴盛

耶鲁公开课 - 美国内战与重建课程节选

Comus attempts to seduce the Lady, you'll remember, with something like an economic theory of natural beauty.

你们还记得吧，科玛斯试图色诱那位女士，用一套有利可图的自然美的理论。

耶鲁公开课 - 弥尔顿课程节选