每个中国游客在每次行程平均花费2688英镑，访客签证有效期的延长，将使中国访客能进一步扩大其消费能力。

With every Chinese visitor spending on average 2,688 per visit, visitor visa extensions will enable them to maximize their spending power even further.

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如客票中未使用的乘机联包含一个或一个以上中途分程地点，该客票有效期的延长不能超过自该医疗诊断证明列明之日起3个月。

If an unused flight coupon of the ticket involves one or more stopover points, the validity of such ticket will be extended for not more than three months from the date shown on such certificate.

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因此，您还需要延长主服务器、故障转移服务器和代理的 X.509 证书的有效期。

Therefore you also need to renew the X.509 certificates for the primary server, the failover servers, and the agents.

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