How much of reality is a consensual hallucination ?
有多少是交感幻觉？
Leadership involves convincing employees and investors that the ceo has something called a vision , a type of optimistic hallucination that can come true only in an environment in which the ceo is massively overcompensated and the employees have learned to be less selfish .
Now those few anarchic days feel instead like a mass hallucination .
现在看来，那些天混乱的日子反倒像一堆幻觉。
More work is needed to establish whether caffeine consumption , and nutrition in general , has an impact on those kinds of hallucination that cause distress .
至于咖啡因的摄入和营养状况是否对那些使人苦恼的幻觉产生影响，还需进一步确定。
In the ninth century , almost no one believed that witches could make bad weather , and almost everyone believed that night-flying was a hallucination .
