Rather than expanding the scope of a new product, hoping to impress, they pare it back, leaving a solid foundation upon which to build.

不是拓展新产品的范围，希望产品瞩目，他们只是在不断的削减，而最终保留一个版本。

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For these Renaissance giants, mastering each craft meant learning its fundamental principles and then tirelessly applying them — and eventually expanding and improving upon them.

对于这些文艺复兴巨匠们来说，掌握每一项工艺都意味着要学习相关的基本原理并且不知疲倦的运用它们，最终将这项工艺扩展并加以提高。

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The second point is worth expanding upon. Consider the code in Listing 9.

第二点值得展开讨论。

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