International routes have become more profitable options for U.S.airlines struggling under a weakening domestic economy.

VOA: standard.2009.06.13

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

She said that she had made it possible "for many colored women to abandon the washtub for more pleasant and profitable occupations."

VOA: special.2010.03.28