Brett Winton: （此外，在让客户更容易选择加入/退出和让客户只在冬季月份实际使用该功能时支付月费之间存在平衡。）

原推：(Also there is a balance between making it easier for customers to opt-in/out and enabling customers to only pay the monthly fee in the winter months when they actually use the feature.)
https://twitter.com/wintonARK/status/1546901255129161728