Second rule was the Chatham House rule, meaning whatever is said in the meeting stays in the meeting.

第二条规则是查塔姆研究所规则，这意味着会议上所说的一切都保留在会议上。

The group’s members do organize themselves under the “Chatham House Rule”, meaning attendees should not discuss who said what at their yearly meetings.

该小组的成员确实根据“查塔姆大厦规则” 组织起来，这意味着与会者不应在年度会议上讨论谁说了什么。