Your kind of profitless tech kind of stocks.

无利可的科技股。

That is a recipe for cheap crude—and, for America's oilmen, a crude, profitless future.

这是廉价原油的秘诀，对于美国的油手来说，这是一个原油，无利可的未来。

Or the outcome may be profitless, such as still being trapped in a cage.

或者结果可能是徒劳的，比如仍然被困在笼子里。

We should never discontinue the argument as profitless.

我不应该因为无利可而停止争论。

Rewarded responses are stamped in, while profitless acts are stamped out.

受奖励的反应会被强化，而无利可的行为则会被消除。

Will these efforts remain a " profitless heroic deed accomplished for the good of mankind" ?

这些努力会继续是“为了人类的利益而完成的无益的英勇事”？

It was a profitless business sitting there alone in the mill, listening to the fall the whole night through.

这是一个无利可的生意， 一个人坐在磨坊里， 整夜聆听秋天的声音。

I reach a similar conclusion sleep tech investors dreams of riches may turn into a profitless nightmare

我得出了类似的结论：睡眠科技投资者的财富梦想可能会变成一场无利可的噩梦。

They want to avoid the fate of PC makers, which the tech giants turned into profitless commoditised businesses by inserting themselves between their products and customers.

他希望避免像个人电脑制造商那样的命运，科技巨头插在它的产品和客户之间，将其变成了无利可的标准化业务。

Miss Prism. Alas! no. The manuscript unfortunately was abandoned. (Cecily starts.) I use the word in the sense of lost or mislaid. To your work, child, these speculations are profitless.

棱镜小姐。唉! 不。遗憾的是手稿被遗弃了。 （塞西莉开始。）我在丢失或放错地方的意义上使用这个词。对你的工作来说，孩子，这些投机是无利可的。

When stimulus-response sequences are followed by an annoying or unpleasant state of affairs, such as continued imprisonment or punishment, the neural connections between the situation and response are weakened until, eventually, profitless acts are stamped out.

当刺激-反应序列之后出现令人烦恼或不愉快的情况，比如持续的监禁或惩罚时，这种情况与反应之间的神经连接就会被削弱，直到最终无利可的行为被消除。