当字谜通过仔细的分析被解开时，它保持沉默。
This stays silent when the word puzzle is solved through careful analysis.
它主要通过地下茎传播；当根系统碎片或整个植物漂浮到一个区域并生根，或当种子漂浮到一个合适的区域并发芽时，菌落就形成了。
It spreads primarily by underground stems; colonies form when pieces of the root system or whole plants float into an area and take root or when seeds float into a suitable area and germinate.
这仅仅是一个例子。它说明了这个事实，当跨越领域界限时，很难有好的理由通过复制进行交换。
While this is just an example, it illustrates the fact that when crossing domain boundaries there is no good reason to do exchange by copy.
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