A fad is a general term for a time when, for reasons of fashion or overoptimism, financial investors are willing to pay more than the fundamental value of the stock.
狂热是一个时期的普通情况,由于流行或者过度乐观,金融投资者愿意支付高于股票基础价格的价格。
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Consumer Confidence Optimismover the state of the economy shown by assessing consumer saving and spending activity.
消费者信心通过评估消费者存款和消费的活跃性所显示的对财政状况的乐观态度。
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And it is natural to buy risk assets such as stocks to express one's optimismover the future.