3/3 A helpful analogy would be that price feed oracles are like trains. They deliver a lot but only along the tracks.
OOs are like cars. They carry less cargo but can go many more places.
3/3 一个有用的类比是价格供给预言机就像火车。他们提供了很多，但只在轨道上。
OO 就像汽车。他们携带的货物更少，但可以去更多的地方。