Georgia pine forest did not act like a pine tree, nor a Texas sagebrush desert like a sagebrush, just as a flock is not a big bird.

• 一片乔治亚州松树林的长势跟一棵松树肯定不一样。得克萨斯州山艾树林漠也如此，就像鸟群不是一只大鸟。