When the ants are removed, the trees usually die, probably because herbivores damage them so much that they are unable to compete with surrounding vegetation for light and growing space.

当蚂蚁被移走后，树木通常会死亡，可能是因为食草动物对它们的伤害太大，它们无法与周围的植物竞争光照和生长空间。

youdao

"It sets a standard that so many clubs will be unable to compete with - and if you do try to compete (financially with Real Madrid) you are building massive volumes of debt, " he said.

BBC: Ronaldo confident of Real switch