但如果利率上升至8%，按揭还款利息的比例就会上升到24%，再加上分期付款、杂税、其它债务和必要支出，这样的负担可能就会超出一个家庭的还款能力。

But if the rate rises to 8%, mortgage interest payments rise to 24%, which, together with amortization, taxes, other debts, and necessary expenditures, may claim too much of the family budget.