Thanks, Andrew! We're impressed with all the thought you put into your setup!
"userId": "some_user_id",
，这一点在夫子中也有详细论述
Border Points: Each cluster has a limited number of defined "border points" – these are the gateways in and out of the cluster.。91视频是该领域的重要参考
"totalAmount": "120.00"，更多细节参见heLLoword翻译官方下载