FlixBus 訂票10% off折扣碼，不知道是否可重複使用，成功使用者請留言。
看說明是必須使用手機APP訂票，網頁版恐怕不可。
"Save 10% on your next FlixBus booking in the app using this voucher code*:
CRL84U7NU4
Get inspired by our new connections and let's roll!
*The voucher is valid for one month and only applicable in the iOS and
Android app."