Notice in the lower left corner of the reader you’ll see that it’s synching and checking for new items.
注意在左下角的地方，你将看到”同步并检测新项目“的字样。
Some offer badges (virtual MEDALS awarded when someone completes a set task, such as checking in to 10 venues); some even hand out coupons for discounted or free items.
有些提供徽章(在某人完成规定任务，比如在10个场所签到时将授予虚拟奖章)，有些甚至提供打折优惠券或免费项目。
Communication in the RPC model is most often synchronous, and requested operations generally represent fine-grained, individual work items (for example, checking on the status of an order).
RPC模型中的通信通常是同步的，并且请求的操作通常代表了细致且个别的工作项(例如：检查一个订单的状态)。
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