Both the index duration and the spread duration are the decreasing functions of the discount margin.

利率久期和利差久期都是贴现利差的递减函数。

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The difference between the rates, 20 points in this case, is known as the "spread" or "margin".

买进和卖出汇率的差额------以这里20点为例称为“差幅”。

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The pain can radiate around the costal margin into the back or can spread to the region of the scapula. Jaundice and fever often occurs in some cases.

但胆道疾病的疼痛多在高脂饮食后发生，疼痛常自胃脘部放射至右季肋及右肩，部分患者伴有黄疸及发热。

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First and foremost, ever-present low interest rates have squeezed bank profitability as measured by net interest margin, or the spread between what banks pay to borrow and what they're paid to lend.

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And keep in mind that while the spread between the two projections represents real money, it is margin-of-error stuff when it comes to the size of the federal budget and total health spending.

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The spread between short and long rates is effectively the gross operating profit margin banks can make on their next loans.

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