什么是通行证？
Ms. : With a hall pass, you can go to the ladies' room or wherever you need to go during class time.
渥克老师：拿着通行证，在上课时间你可以去洗手间或任何你需要去的地方。
Nobody can go into the hall without a pass.
没有通行证，任何人不准进入大厅。
To carry out and go downstairs, very convenient, can pass through the general hall.
推行及上下楼极为方便，能穿越一般门厅。
To carry out and go downstairs, very convenient, can pass through the general hall.
推行及上下楼极为方便，能穿越一般门厅。
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