I'm not completely ure but I think it is to explain why Pip and Joe have a close relationship.
Dr Suess wrote the book 1 fish 2 fish red fish blue fish
Steeper, they are shorter of course than lakes
I would actually use them together: benefit from someone's expertise.
For example,: While building this bridge, we could benefit from the architect's expertise.
or:
Let's invite Sarah, she knows a lot about cooking, we could benefit from her expertise!
<span>Alchemy is about turning common, ordinary objects into something of the most</span>
