材料并列：用灰泥填充金属，两者都发生改变。空间上和材料上，这两种已知形式的结合创造了新的事物。
Material juxtaposition: Plaster fills metal, and the two are changed. Both spatially and materially, this union creates something new from two known types.
水是一个是否有生命存在的关键问题，即使是以微生物的形式，火星上和地球上都曾经存在，所有已知的生命都需要水。
Water is a key to the question of whether life, even in the form of microbes, ever existed on Mars. On Earth, all known forms of life require water.
已知的参与者通常在系统的逻辑中能有某种形式的体现；匿名参与者也一样。
Known actors usually find their way, in some form, into the logic of the system; anonymous actors may as well.
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