然而，当将复杂树的一个或多个对象链接到另一对象时，这种情况下使用子元素要胜于使用属性。

However, in one case, the use of child elements offers an advantage over attributes: When you link one or more objects to another in a complex tree.

youdao

除非人类的理解力有与生俱来的极限——这本身就是个深不可测的前提——否则总会一下子有异象等着人们来解释。

Unless there are inherent limits on human understanding—itself an unfathomable premise—there will always be more apparently disparate phenomena to explain at one fell swoop.

youdao

我一辈子也没有见过象他这样漂亮的男人！

Oh! he is the handsomest young man that ever was seen!

youdao

Wave particle duality had been applied to photons.

波粒二象性应用于光子上。

麻省理工公开课 - 固态化学导论课程节选