我前几天发了这个帖子。 
https://linux.do/t/topic/1574573 
然后就找了找，因为在apple Store购买的，所以就很容易退款，怕有的人不知道，所以提醒一下。 
退款理由： 
I purchased these credits to use for calls and texts. However, the app now blocks me from receiving messages unless I pay for an additional 'Talkatone Plus' monthly subscription ($5/mo), which was not disclosed at the time of purchase. I get an error stating I need to subscribe to receive messa...