Just as it's easy to underestimate the time and labor required to properly complete a project, hardware costs frequently become a source of trouble.

正如恰当地完成一个项目的时间和人力往往容易被低估一样，硬件成本也经常成为麻烦之源。

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Their whole life was labor and trouble .

他们的整个人生是辛劳和困苦。

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The trouble with working at a job for money is that you have to start over selling your labor each and every morning.

通过工作赚钱的问题在于你每天早上必须出卖你的劳动。

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The shift to Gujarat is seen as Maruti's escape from the constant labor trouble it has been embroiled in at its current facilities.

WSJ: Maruti Suzuki India To Open Plant in Gujarat State

It is possible that the mere existence of the ECB safety net is enough to maintain investor confidence, but Spain has some internal challenges: Madrid has little control over its (more fiscally irresponsible) semi-autonomous regions, its banks are in major trouble and its labor market needs urgent reform.

FORBES: What To Expect From The Eurozone In 2013

Southwest is a master of this strategy, but others, saddled with higher labor and aircraft costs, have had trouble making it work.

FORBES: The Ghost of Crandall