In Common Lisp it's very powerful.

在Common Lisp中，这非常强大。

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The other form is syntax, which works a lot like Common Lisp defmacro.

另一种是语法，它与Common Lisp的defmacro差不多。

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Cusp is a development environment for the Common Lisp programming language.

Cusp是Common Lisp编程语言的开发环境。

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