Notice that you access the Order and Iterate functions through the LineItems.

注意，您可以通过LineItems访问订单和遍历功能。

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As the name implies, this is telling the validator that the LineItem child element of the LineItems element is repeatable.

顾名思义，它告诉验证器，LineItems元素的LineItem子元素是可重复的。

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As the name implies, this is telling the validator that the LineItem child element of the LineItems element is repeatable.

顾名思义，它告诉验证器，LineItems元素的LineItem子元素是可重复的。

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