现在，我们可以推出第二个概念：自然发生。

And now we can introduce our second concept: emergence.

youdao

第二个概念——“咨询合约”——来自Peter Block的书籍 《完美的咨询》（Flawless Consulting）（注3）。

The second concept - the "consulting contract" - comes from Peter Block and his book Flawless Consulting3.

youdao

第二个重要的概念是 扩展点（extension point）。

The second important concept is the extension point.

youdao

The second question that you might think we'd want to get clear on is, "What's the idea, or what's the concept, of surviving?"

第二个你要,弄清楚的问题是,活着的概念是什么

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