根据Greenfield的观点，当某种刺激——要么来自外部，比如一件耸人听闻的事件，要么来自内部，比如一种想法或者记忆——在大脑中触发了一个连锁反应，意识就产生了。

For Greenfield, a conscious experience occurs when a stimulus — either external, like a sensation, or internal, like a thought or a memory — triggers a chain reaction within the brain.

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如果初始刺激引起消费者和商业活动的连锁反应，乘数很可能大于1。

And if the initial stimulus triggers a cascade of expenditure among consumers and businesses, the multiplier can be well above one.

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国家第三大连锁游乐园的CEO退休了，留下了难以触及的遗产——至少是在高度和刺激方面。

The retiring CEO of the nation's third biggest amusement park chain is leaving behind a legacy that will be hard to reach — at least in terms of heights and thrills.

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