Initialism of standing room only.

• Label on tickets, signage, or listings when seats are sold out.

“仅站票”的缩写。

• 座位售罄时用于票务、标识或节目单。

Initialism of senior-ranking officer.

• The highest- or senior-most officer present.

“高级军官”的缩写。

• 现场职级最高的军官。

Initialism of school resource officer.

• A sworn police officer assigned to a school.

“校园警务官”的缩写。

• 派驻学校的警察。

Initialism of single-room occupancy.

• A small rental unit with shared kitchen or bathroom.

“单间公寓”的缩写。

• 低价出租房，厨房或浴室共用。

Initialism of self-regulatory organization.

• An industry body that sets and enforces member rules.

“自律组织”的缩写。

• 行业机构，制定并执行成员规则。