Answer:
I would say "Twenty dollars a week doesn’t go far. Expenses had been greater than she had calculated. They always are."
Explanation:
In this answer, it explicitly says " Expenses had been greater than she had calculated. They always are." which infers that by saying "they always are", would imply she never makes enough money to be financially fit.
Idk the answer but the womens club is wrong
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!