If you struggle with direct eye contact, move your eyes slowly and smoothly around a person's face in a fixed pattern: left eye, right eye, nose, back to left eye and so on.
如果你在为直接的眼神接触而努力,将你的眼睛以固定的模式环绕着一个人的脸平缓地移动:左眼,右眼,鼻子,回到左眼·······。
On its face, this pattern looks a lot like recursion -- but it is not (moreover, the repeat scheduling need not occur on the last line; it just makes sense there).
表面上看来,该模式很 像递归 — 但它不是递归(而且重复调度不需要一定在最后一行进行,可以在您期望的地方进行调度)。
The final few pages of the book are not about history but the future, where "cataclysm looms on every side" as we face a finite supply of water but a growing pattern of excessive use.
该书的最后几页的内容与历史无关,而是关乎未来 - 当我们面临水资源有限供给却依然过度消耗的时候,未来“灾难此起彼伏”。
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