The life cycle hypothesis attempts to describe how people actually behave.

生命周期假说试图描述人们的实际行为方式。

I mean, as we saw in that earlier clip, you know, they were all practicing some version of the life cycle hypothesis.

正如我们在之前的剪辑中看到的，你知道，他们都在实践某种版本的生命周期假说。

There is an idea in economics called the life cycle hypothesis that tries to explain how people use consumption smoothing throughout their lives, how they save and invest and spend money at different ages.

GARCIA：经济学中有一个观点叫做生命周期假说， 它试图解释人们如何在他们的一生中使用消费平滑，他们在不同的年龄段如何储蓄、投资和花钱。