在ggplot2图之间添加多个曲线

I have two ggplot2 plots and I want to draw a series (10-100) slightly different curves between them. That is, I will have a two-panel layout and want to draw connecting lines from the left plot to the right plot. So far I have tried doing this by converting things to grob's and using the gtable package to add curves.I have two ggplot2 plots and I want to draw a s