translation.en: In 1974, the great Ray Kurzweil, the American inventor, worked on building a machine that would scan books and read them out in synthetic speech.
translation.zh: 1974年，伟大的Ray Kurzweil，一位美国发明家 致力于开发一台机器可以扫描书籍 并把文字以合成语音阅读出来