Again this template matches on listing elements but only when the first-in-group mode is specified, as it is when called from the previous template (in listing 5) that collected the group leaders.

同样，只有模式指定为first - in - group时，该模板才匹配列表元素，就像从前一个收集group leaders的模板中调用一样(在清单5中)。

youdao