https://blog.wongcw.com/2020/08/05/%e6%b8%85%e8%8f%af%e5%a4%a7%e5%ad%b8%e7%94%9f%e8%b5%b7%e8%a8%b4ofo%e7%b4%a2%e8%a6%81%e6%8a%bc%e9%87%91%e7%b5%90%e6%9e%9c%e5%80%92%e8%b3%a0400%e5%85%83/
清華大學生起訴ofo索要押金結果倒賠400元