台球国标中最后打黑八的时候要指袋，指袋是什么意思，由谁指袋，任何袋口都可以吗？

台球国标中最后一击黑八时要指袋，指袋是指什么？由谁指袋，任何袋口都可以吗？

英文：The last shot of the Black Eight is to specify the target bag, which can be any bag, including those that have already been filled with other bags. If the Black Eight has entered an un-filled bag, it will lose the match if no one wins.

我会采用第一人称视角来创作一篇情感充沛的文章，让读者感受到作者对这一特定事件的深度理解和情感共鸣，我也会引入反问句，以强调关键点，并使情绪更加强烈。

中文：这篇文章充满了激情和情感，讲述了台球国标中最后一击黑八时所指的细节以及由此引发的深刻思考，它不仅仅是关于技巧的探讨，更是一个关于尊重与公平的故事。

英文：This article is full of passion and emotion, focusing on the details of the last shot of the Black Eight, as well as its profound insights that lead to a story about respect and fairness. It isn't just about technical prowess; it's also about respecting and being fair.