They materialize without warning, often through an unconscious shift in mental perspective that can abruptly alter how we perceive a problem.

这种灵感的来临毫无征兆，往往是思维在潜意识中发生不自觉的变化，从而突然扭转我们看待问题的角度。

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Plus, the jobs that start ups do create are not always highly paid, and they often take a long time to materialize.

此外，新公司创造的工作岗位并不总是报酬很高，而且发薪水往往需要很长时间。

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If the promised synergies don't materialize--and really, how often do they?

FORBES