GbEng
无通行证者不得擅入军事基地. You cannot enter a military base without a permit.
无通行证者不得入内. There is no admittance without a pass.
我用这张通行证坐火车半价. This pass enables me to travel half-price on trains.
通行证可以自由出入的许可、票证或权力 A permit, a ticket, or an authorization to come and go at will.