When father lost his job we had to tighten our belts.
父亲失了业，我们不得不勒紧裤腰带过日子。
We must tighten our belts if we want to buy a computer.
如果我们想买台电脑，就必须节省度日。
Most people have to tighten their belts a little when they retire.
大多数人退休后都要稍微省吃俭用点。
Most people have to tighten their belts a little when they retire.
大多数人退休后都要稍微省吃俭用点。
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