Tommy has excited neuroscientists because of the hypothesis that the way his brain changed might be a clue to where creative drive comes from in the brain.

‘汤米的变化让神经学专家兴奋不已。他们猜测，他的艺术创造力也许源于大脑的某些部位发生了变化。’

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We cannot reject the null hypothesis that the preferences of Nova Scotia beer drinkers have changed since your last poll.

我们不能排除这样的虚假设，即自从上一次民意测验以来，新斯科舍省啤酒消费者偏好已经发生了变化。

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According to efficient market hypothesis (EMH), security market is efficient and stock prices can reflect changed information fully.

有效市场假说认为市场是有效的，证券价格可以充分体现信息变化的影响。

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For the second type of entrepreneur, Spanos advises them to build a prototype and test it out on potential customers in order to determine whether the initial hypothesis about the opportunity is right or should be changed.

FORBES: Demetri Spanos Does His Own Thing in Silicon Valley