First an acorn; then an oak tree forest.

先是橡子，然后是一片橡树林。

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First an acorn; then an oak tree forest.

先有一颗橡子，然后有了一片橡树森林。

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From the architect. The house is located on a clearing inside an oak-tree forest that is homogenous in its structure.

来自建筑事务所的描述：这座住宅位于橡树林里的空地上，这里树木分布均匀。

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Steve Robertson, of NHFT, described aspen as a "charismatic" tree for forest biodiversity.

BBC: Bid to boost 'charismatic' tree

If a tree falls in a forest and no one laughs, then you've killed a perfectly good tree for nothing.

WSJ: Latest 'Development' | Arrested Development | Mitchell Hurwitz | Cultural Conversation by David Mermelstein

If a tree falls in the forest, and no one hears it, it still makes a sound.

FORBES: The Death of SPIN