It lived off fruit fallen from the island's trees and lived unthreatened until humans arrived in 1505.

它们靠从树上掉下的水果为生，在人类1505年到达之前，它们一直过着无忧无虑的生活。

But when the time is short, we're readier to surrender our entrenched positions, to be unthreatened by novelties and dissonances.

但当时间紧迫时， 我们更愿意放弃我们根深蒂固的立场， 不受新奇事物和不和谐事物的威胁。