Answer:
Ideally, your introduction will make your readers want to read your paper. The introduction should capture your readers' interest, making them want to read the rest of your paper.
Explanation:
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!
It builds ethos with the audience
It should because a lot of girls are afraid of talking to their doctor about that kind of thing
