预抓取到缓冲池，但从未读取的页面数量。
Number of pages prefetched into the buffer pool, but never read.
一旦FOE抓取到这些内容，它将其加密然后以附件的形式通过email发送出去。
Once FOE fetches the content, it encrypts it and sends it via e-mail much like an attached file.
尽管现有的科技已经能够记录大脑的正常活动，但我们仍然无法探测或者抓取到每一个人的思想与梦境。
Although we have technology that can measure general brain activity, we have no method for assessing or capturing our individual thoughts and dreams.
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