I won't go into the gory details of Binary Tree Theory as this has already been discussed by Per Nilsson in his "Balanced Binary Tree" submission found here.

我不会详细介绍二叉树理论的详细细节，因为这些东西，Per Nilsson已经在他的“二叉树”中讨论过了，你可以在如下地址here找到详细的细节。

youdao

Spain were denied an impressive warm-up win in Sweden as veteran Roland Nilsson struck a late penalty for the hosts to cancel out Josep Guardiola's first-half spot kick.

BBC: Fernando Hierro

This innocent-seeming exercise, as prescribed by supercoaches Pia Nilsson and Lynn Marriott, is golf's most intolerable drill.

WSJ: The Punishment of Winter Workouts | Golf Journal by John Paul Newport