xǔ / duō / hù / lián / wǎng / háng / yè / de / diàn / jī / rén / dōu / zài / shàng / shì / jì / jiǔ / shí / nián / dài / kāi / shǐ / chuàng / yè / 。

许多互联网行业的奠基人都在上世纪九十年代开始创业。

Many pioneers of the internet industry started their businesses in the 1990s.