参观者需出示通行证方可进入该建筑物。
All visitors must show their passes before entering the building.
“参观者通行证”是一张纸或一个徽章，这可以让游客进入一个他或她不在那里工作的建筑大楼，通常是因为他或她在那里有一个会议。
A "visitor's pass" is a piece of paper that lets a visitor enter a building where he or she does not work, usually because he or she has a meeting there.
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