Falls in marginal tax rates in America since the 1970s have made it all the more profitable to work longer.

自20世纪70年代以来，美国边际税率的下降使得延长工作时间更有利可图。

youdao

It is usually more profitable to sell direct to the public.

向社会大众直销往往获利较高。

《牛津词典》

Others, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.

然而，另一些人则采纳了这样一种理念，即最好是在仍然有利可图之时利用水，并集中用在棉花等高价值作物上。

youdao

Scott LaGanga,director of PhRMA, a leading pharmaceutical research and manufacturing company, says it's easy and profitable to sell look-alike,low quality drugs.

VOA: standard.2010.06.07

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

So, you have to feed the slave all year round to work only a small part of the time, that's not very profitable.

你不得不整年的喂养奴隶,而他们只有少量时间在工作,这是很不划算的

耶鲁公开课 - 古希腊历史简介课程节选

Only vehicles that fit this positioning will be profitable to manufacture and sell as Lincolns.

FORBES: Hello More Stringent CAFE Standards, Goodbye Lincoln

One of the smallest firms we reviewed was in fact the most profitable to its owners.

FORBES: SEC Scrutiny of Pension Consultants: A Call To Action (February 28, 2004 )

Adelphia's creditors could decide it's more profitable to divide up the company that way.

FORBES: Adding Up Adelphia