这部分的目标在于，向您展示怎样从已存在的API中获益，以及怎样创建您自己的确认器库。

The goal of this section was to show how you can benefit from the existing API and how you can create your own validator library.

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第 1 步是基于业务目标的概念，这表示 BIO 是一种目标驱动的方法，即确认关键业务目标，并围绕已确认的目标进行处理。

Step 1 is based on the concept of a business goal, which means it's a goal-driven approach where key business goals are identified and processes around the identified goals.

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请确认您已设定目标值，或您已经启用电子商务跟踪。

Make sure that you've set goal values or that you've enabled e-commerce tracking.

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