缺少该功能的原因是，目前还没有定义Xquery中更新的标准。

The reason for this missing functionality is the current lack of standards for defining updates in XQuery.

youdao

到目前为止，我还没有发现一种方法可以改变这一顺序，但是，我将进行更深一步的研究，将来会为您提供一个更新。

Thus far, I've not found a way to alter this order, but I'll starting digging a little deeper and try to provide you with an update in the future.

youdao

我们联系过nbc，但到目前为止，官方的采访日期还没有确定，一旦有相关信息，我们立刻更新。

We have also contacted NBC but as of now no official airdate has been confirmed. We will update once we have additional information.

youdao