If natural selection were to work, some alternative, unconsidered mechanism was required.

如果自然选择要起作用的话，就得需要某种尚未发现的替代机制。

Had he been ever so little older he would not have placed that unconsidered confidence in Viviette which had led him to give way to her curiosity.

如果他的年龄这么小，他就不会对薇薇特产生那种未经考虑的信任，这种信任导致他屈服于她的好奇心。

At length the auction began in the room below, whence they could hear each familiar article knocked down, the highly prized ones cheaply, the unconsidered at an unexpected price.

最后，拍卖会在楼下的房间里开始了，从那里他们可以听到每件熟悉的物品都被击落的声音，珍贵的以低价出售，未被考虑的以出乎意料的价格出售。