Nevertheless, on such traffic intransit there may be levied dues intended solely to defray expenses ofsupervision and administration entailed by such transit. 然而,在此类过境运输中,可以征收仅仅为了过境需要而支付的监管费用的税款。
Packet by Packet Layer 3 switching technology inspectoscope every Packet, intransit to destination. 报文到报文的第三层交换技术检查每一个报文并将报文转发到其目的地。