並前往https://www.quora.com/Whenever-I-try-to-use-a-valid-promo-code-for-Uber-I-get-the-message-%E2%80%9CPromotion-codes-are-not-available-for-this-account-and-all-trips-will-be-charged-at-full-price%E2%80%9D-Even-Uber-support-could-not-give-any-valid-reason-Why