每日背誦第一期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.
接下來的電子記票器讓統(tǒng)計(jì)票數(shù)的速度更快、更準(zhǔn)確，但卻沒有人要買。之后，愛迪生轉(zhuǎn)而進(jìn)行股票行情收錄器的研究，他把收錄器作了改進(jìn)并將該項(xiàng)專利以四萬美元賣出。
