down the road （非正式，主北美）在将来，今后

【例句】
We plan to have an office in both cities - but that's down the road.
我们打算在两个城市都设立一间办公室，但是这是将来的事。

I'm saving as much money as I can now, so that down the road I can retire in comfort.
我现在在尽可能地存钱，这样以后就能舒舒服服地退休。