就象现代的伐木工人那样，他会喊‘要活干，没树了！’

Like modern loggers, did he shout 'Jobs, not trees!'

youdao

没有一栋房屋一棵树仍然站着没倒。

Not a building nor a tree was left standing.

《牛津词典》

“没有”玫瑰树说：“我高兴就开花，因为我没别的事做。”

"No," said the rose-tree. "I bloom in gladness, because I cannot do otherwise."

youdao

The point I wanted to make is that for every node, except the leaves, the leaves are the bottom of a tree in this case, are weird, right, they draw trees where the root is at the top, and the leaves are at the bottom.

你没必要看到整棵树，我想说的重点是,对每个节点来说，除了叶子节点,叶子节点指的是树的最下面的节点，电脑科学家都很奇怪,他们画树的时候根是在最上面的。

麻省理工公开课 - 计算机科学及编程导论课程节选