If the received timestamp is less than the local timestamp, the register doesn’t change its state.
Последние новости
。关于这个话题，电影提供了深入分析
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Shops and services can currently accept whichever form of payment they want. Some countries have introduced, or plan to implement, limited but mandatory cash acceptance for some essential services.