The burgeoning interest in prediction markets evokes the prepoll era of the early 20th century, when betting on election results was ubiquitous.

• 民众对预测市场的兴趣正在迅速增长，不禁让人联想起民调尚未出现的20世纪初。当时，拿选举结果来下注赌博是很普遍的一件事。