世界各地的花旗威望卡会员可以通过单一联系点进入其全球礼宾服务。
Citi Prestige card members around the world can tap into their global concierge through a single point of contact.
服务门户是此类模式的代表，它为多个服务提供单一联系点，并隐藏内部服务的细节。
Service portals typify this pattern, providing a single point of contact for multiple services and hiding the details of internal services.
服务门户是此类模式的代表，它为多个服务提供单一联系点，并隐藏内部服务的细节。
Service portals typify this pattern, providing a single point of contact for multiple services and hiding the details of internal services.
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