If you and your neighbor both grow oranges and grapefruits and you are better than your neighbor at picking both oranges and grapefruits, there can be no advantage to you in specializing in growing only one type of fruit and trading with your neighbor for the other.

Advantage  means that an individual will produce more of a good or service than competitors using the same amount of resources. In this situation the advantage is that you will grow more oranges or grapefruits than your neighbors. It is false that if you and your neighbor both grow oranges and grapefruits and you are better than your neighbor at picking both oranges and grapefruits, there can be no advantage to you in specializing in growing only one type of fruit and trading with your neighbor for the other. 

A toaster is to toast as a peeler is to peel

Explanation:

In this example, the analogy relies both on the name of the object as well as on its function to work. An analogy is a comparison that takes place between two objects. This comparison focuses on the elements that make the objects similar. Analogies intend to explain ideas by comparing them to things that the reader is familiar with.