The insect's evolutionary adaptations enable it to be almost invisible even when sitting in the middle of a leaf.这种昆虫在进化过程中形成了很强的适应能力，即使趴在树叶正中也很难被发现。We're dealing with probably the biggest missing link in what we know about human evolution.我们正在解决的可能是我们所知的人类进化过程中缺失最大的一环。Human beings are not some casual and meaningless product of evolution.人类并不是进化过程中偶然、无意义的产物。