一个人的幽默能力，与他的知识储备、人生经验等有很大的关系。只有储备和阅历积累到了一定程度，他才能对幽默进行设计和创造，才会在没有准备的情况下妙语连珠、引人发笑。这就是所谓的"问渠那得清如许，唯有源头活水来。"
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