Now introduce uncertainty and precautionary saving effects.
现在，我引入不确定性和预防性储蓄的影响。
But the more options you have when a rainy day arrives, the less you need precautionary saving.
不过，当雨天来临时，你拥有的应对选择越多，你也就越不需要预防性储蓄。
But the more options you have when a rainy day arrives, the less you need precautionary saving.
不过，当雨天来临时，你拥有的应对选择越多，你也就越不需要预防性储蓄。
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