That position number is needed in case the node has siblings of the same type and name, to indicate which one we're referring to.

位置号是必需的，以防节点有相同类型和名称的兄弟节点，这样可以表明我们引用的是哪个节点。

youdao

"Part of my reason for doing the film was to wipe away the 'us and them' mentality," said Rachel. "We're all one car accident away from being in the same position as these guys."

“我做电影的原因之一是去除”我们和他们“的心态，”雷切尔说：“我们与这些家伙的区别，仅仅只是一个车祸的差别。”

youdao

We're actually going to use the same match rule as we did on the client side, so use the same steps you did for the first one, and then select it in the list as shown in Figure 52, and click done.

我们实际要使用的匹配规则与我们在客户端上使用的相同，所以使用的步骤与第一个步骤相同，然后在列表中选择它(如图52所示)，并单击done。

youdao

"I don't remember any one in particular. I mean,they're pretty much the same, like we'll just celebrate, exchange cards, may go out to dinner.

VOA: special.2010.02.08

Well, that's one story. Another story that we're told is that soon afterwards also in that same place in the Iliad, a dream comes to Agamemnon, because, you know, this is their tenth year.

这是第一个故事,还有一个故事,也是发生在伊利亚特,不久之后,阿伽门农做了一个梦,这正好是他们征战的第十年

耶鲁公开课 - 古希腊历史简介课程节选