Border Points: Each cluster has a limited number of defined "border points" – these are the gateways in and out of the cluster.
The Soundcore Work is now $99.95 at Amazon. That knocks $59.05 off its $159 list price. That's the best price we've spotted on the device, meaning it's a great time to buy.
，这一点在im钱包官方下载中也有详细论述
Product migration
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