每日背诵第一期32
Next came the electric vote recorder. It made voting quicker and more accurate, yet no one wanted to buy it. Edison then moved on to tackle the stock market ticker, the machine that gave information about stock market prices. Edison improved it, and sold the rights for US$40,000.
接下来的电子记票器让统计票数的速度更快、更准确，但却没有人要买。之后，爱迪生转而进行股票行情收录器的研究，他把收录器作了改进并将该项专利以四万美元卖出。
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