yín / háng / yòng / lì / lǜ / diào / qī / lái / jiàng / dī / wèi / lái / lì / lǜ / bō / dòng / dài / lái / de / fēng / xiǎn银行用利率掉期来降低未来利率波动带来的风险。The bank uses an interest rate swap to reduce the risks caused by future interest-rate fluctuations.