Do the overlays before and after and you will discover through those clients that you have had charts done on then and now, what is taking place and how these changes are shifting and changing.

• 做一下之前和之后的覆盖图（译注：是讲对比图吧？），你们将会通过那些你们已经做过以前和现在星图的客户有新发现，什么正在发生以及这些改变是如何轮换和变化。