可付還的,該付還的,可報恩的,應報復的
Repayable \Re*pay"a*ble\ (-?-b'l), a. Capable of being, or proper to be, repaid; due; as, a loan repayable in ten days; services repayable in kind.
repayable adj : subject to repayment; "business loans are usually repayable in regular installments"