I don’t think you can compare different eras. Every era has its own challenges and its own special things.
We are all time capsules carrying fragments of the past.
一个东西丢了,95%的情况,它都在你最后一次见到它的地方一臂可及的范围内。在这个半径内所有可能的位置进行搜索,你就会找到它。