He was a burden to his parents.
She published the book at her own expense.
The expense will fall on him.
The entertainment expense was borne by our group.
My dish-washing duties are a heavy burden.
He was not a financial burden on her.
I relieved him of his burden.
The expense is chargeable on him.
The work is a heavy tax on my health.
I know that interest rates are fixed in accordance to the borrower's business risk.