Words similar to about--by

Example sentences for: about--by

How can you use “about--by” in a sentence? Here are some example sentences to help you improve your vocabulary:

Why not spoil the speculators' game by giving them nothing to speculate about--by replacing pesos and reis with portraits of George Washington (or, if you happen to be European, with generic pictures of bridges and gates--for more on European currency design, see 1997 Slate piece)?