俯身下瞧，正在解冻的泥土有些湿润，颜色深了一层，显出大地有了不易察觉的脉动。树根周边，几针鹅黄的纤弱到让人心疼的草尖，正顶开碎土，探出一点小芽。那嫩黄，是生命最初的颜色，亮亮的、怯怯的，纯粹得不染一丝尘埃。它们被微风一逗，便颤巍巍的，像是要笑，又像是害羞，最后终于奋不顾身地破土上冲。
Surfing terms - BARREL, CREST, SWELL, WAVE，详情可参考纸飞机官网
。爱思助手下载最新版本是该领域的重要参考
My opinion is that what really shapes humans’ identity, and what we crave for is community. Even if we lived in a society where reality is shaped by superintelligent AIs instead of ourselves, we can still be happy. It may hit the ego of many that we are no longer the most intelligent being in the planet, but the same way that a chimpanzee living in the wild can live happily and is not aware of the worries and scares of the stock market and geopolitics, we can live a happy and fulfilling life without worrying about the daily operation of our reality handled by the AIs.，这一点在PDF资料中也有详细论述
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