Today's technology is only a hint at what's down the pike. [=down the road]今天的科技只是对未来发展的一种启示。

He is the greatest boxer to come down the pike [=come along] in years.他是多年来最杰出的拳击手。

A chance like this doesn't come down the pike every day.像这样的机会不是每天都有的。