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Invert, always invert: Turn a situation or problem upside down.Look at it backward.

Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.

當我創作音樂時，我仿佛置身于另一個世界。

在計算機科學中，我們站在巨人的肩膀上，但我們也必須愿意質疑他們的假設。