Index-linked describes pay, a pension, a benefit, or sometimes a price that goes up or down as a published index of prices goes up or down.

Index-linked describes pay, a pension, a benefit, or sometimes a priceIndex-linked用來形容薪資、退休金、津貼，有時候是價格 that goes up or down as a published index of prices goes up or down會隨著公布的物價指數漲跌而漲跌

The “index” here is not the list at the back of a book. It is a number that tracks how expensive ordinary things have become — often a consumer price index.

The "index" here is not the list at the back of a book這裡的「index」不是書後面那種索引. It is a number that tracks how expensive ordinary things have become它是一個追蹤日常東西變得多貴的數字 — often a consumer price index通常是消費者物價指數

If your pension is index-linked, it is meant to keep its buying power when shops get dearer: when that index climbs, the payment is supposed to climb with it (some schemes can also fall if prices fall, though many pensions only go up).

If your pension is index-linked如果你的退休金是index-linked, it is meant to keep its buying power when shops get dearer目的是在物價變貴的時候維持它的購買力: when that index climbs, the payment is supposed to climb with it那個指數上升時，給付金額也應該跟著上升 (some schemes can also fall if prices fall, though many pensions only go up)（有些方案在物價下跌時也會跟著下降，不過很多退休金只會漲不會跌）

The phrase is especially British; American English more often says inflation-linked or talks about a cost-of-living adjustment. Banks also sell “index-linked” products tied to a stock-market index — a later stretch of the same idea (tied to some published number) — but the older everyday use about wages and pensions is about prices in the shops.

The phrase is especially British這個說法特別是英式英文; American English more often says inflation-linked美式英文比較常說inflation-linked or talks about a cost-of-living adjustment或講cost-of-living adjustment（生活成本調整）. Banks also sell "index-linked" products tied to a stock-market index銀行也賣跟股市指數掛鉤的「index-linked」商品 — a later stretch of the same idea (tied to some published number)這是同一個概念（跟某個公布的數字掛鉤）後來延伸出來的用法 — but the older everyday use about wages and pensions is about prices in the shops但比較早、比較日常的用法，講薪資和退休金時，指的是店裡的物價