That wasn't an explicit rule in the meeting, but I'm sure that was part of it, you know. If people hear voices, and they can't see and associate it with somebody, that person's probably not there.
这倒不是在集会上唯一的原则， 但是我相信这是其中一个。你知道，如果人们只能听见人说话， 但他们看不见人影，不能建立起声音和人之间的联系 那么那个人就不存在。