上班打车，第一天早上下单选了Standard Taxi，下车后电邮收到的账单是$16.55。
第二天早上在洗手间顺手看了一下信用卡记录，赫然发现收费是$20，立刻截图发给Grab，问他们怎么回事，15分钟后收到回复，说是预扣款，过后会调整成实际费用。
Allow us to explain that there is a payment authorization which is a hold of funds (not an actual charge) on the consumer's account to ensure that there are sufficient funds to be charged at the end of the ride and also a verification on the payment method.
Payment authorization is done when a consumer requests a booking. Once the trip is completed, the authorization will become a charge.
Please be informed that we have released back the Pre-authorization amount.
We suggest you refer to the official bank statement for further clarity if there are charges imposed.
Based on our conversation earlier, we are glad that we have addressed your inquiry adequately.
We will be closing this request from our end. Kindly rate the service you have received from me. You will be receiving the survey in 24 hours.
At Grab, we strive to provide fast, safe and hassle-free taxi rides to our users. If you need any further assistance, feel free to find answers at frequently asked questions or submit a request directly through our Help Centre (https://help.grab.com/hc/en-sg) from the Grab app.
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