即使不知道信息的具体内容是什么，知道信息是谁发的和信息发给谁也透露了客户隐私，并且这一漏洞还会继续存在。

Even without knowing what was in the message, the knowledge of who sent them and to whom was enormously revealing and still could be.

youdao

我们知道什么和不知道什么这个问题一直困扰着我。

The question of what we know and do not know constantly bothered me.

youdao

一类是什么都不知道和只知道接受事实的人，一类是什么都不知道，并拒绝相信事实的人，还有一类是真的问题的人。

Those who know nothing and accept the fact, those who know nothing and refuse to believe it, and those who actually do know something about the subject.

youdao

Now,the problem with this is that Papias and these other people didn't really know what they were talking about.

问题是帕皮亚和其他人,根本不知道自己在说什么。

耶鲁公开课 - 新约课程节选

So they bring like... I don't know, business people are like, different companies to like talk with students here

所以他们把……我不知道，把商人，不同公司的商人找来和学生谈话，

来自西班牙的留学生 - SpeakingMax英语口语达人

You and I are to what else was going on, certainly 11 approvals sense like an extreme number. Yeah,yeah.

你和我都不知道还有什么其他事，但是很显然11个批准文件是很极端，是，是这样的。

普林斯顿公开课 - 国际座谈会课程节选