RPL CPL (outer ring)
Мужчины и женщины старше 40 лет дали важные советы молодым людям，这一点在91视频中也有详细论述
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But there’s also that annoying, gnawing truth: You don’t know what you don’t know. This has, for decades, been an apt adage for describing life in this experimental orbital colony. Eventually, though, different aphorisms will come into play. Yes, it’s true: You don’t know what you don’t know. But we do know that all good things come to an end. And that what goes up must come down.