# WHOIs單元Ep.31: 這位億萬富豪沒有發明吸塵器，卻重新定義了它 He Didn't Invent the Vacuum—He Reinvented It

Page: https://stenobird.com/podcast/15mins-today-1154318/whois-ep-31-he-didn-t-invent-the-vacuum-he-reinvented-it
Text version: https://stenobird.com/podcast/15mins-today-1154318/whois-ep-31-he-didn-t-invent-the-vacuum-he-reinvented-it.md
Podcast: [通勤學英語 15Mins Today](https://stenobird.com/podcast/15mins-today-1154318)
Published: 2026-07-13T10:02:12+00:00
Episode link: https://open.firstory.me/story/cmriuhh0w00jh01trhfqehddo
Audio file: https://m.cdn.firstory.me/track/cl81kivnk00dn01wffhwxdg2s/cmriuhh0w00jh01trhfqehddo/https%3A%2F%2Ffile.cdn.firstory.me%2FRecord%2Fcl81kivnk00dn01wffhwxdg2s%2Fcmriuhh0w00ji01trdfmgbsoo.mp3?v=1783924335634
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JSON: https://stenobird.com/v1/public/podcasts/15mins-today-1154318/episodes/whois-ep-31-he-didn-t-invent-the-vacuum-he-reinvented-it
Duration seconds: 276

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