But only half the seats are filled because some people, who are given tickets or special passes, do not show up.

但是由于有些拿到门票或者特别通行证的人不到场，一般只有一半的上座率。

People who work for government agencies or companies that have resumed operations need special passes for entry and exit of their residential communities.

政府机构或已恢复运营公司的职工需要特殊通行证才能出入其居住社区。