Because every airport offers a potential entry point into the global system, every nation faces the threat from gaps in aviation security throughout the world.
因为每一个机场都存在一扇可能通往国际航空系统的大门，而一国安检的疏漏也会影响到他国的安全。
Because every airport offers a potential entry point into the global system, every nation faces the threat from gaps in aviation security throughout the world.
因为每一个机场都存在一扇可能通往国际航空系统的大门，而一国安检的疏漏也会影响到他国的安全。
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