• My concern is obviously, from what I detected, the technical aspects of deficiencies were not properly investigated."

    VOA: standard.2010.03.26

  • Let's call someting invisible not only it can't be seen, not only it can't be observed, but it can't be detected at all.

    让我们把一些不仅是看不见的,不仅是观察不到的,而且是完全检测不到的,东西称为无形的。

    耶鲁公开课 - 死亡课程节选

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