During the hyperinflationary period, people had to push carts full of money just to buy a loaf of bread.

hyperinflationary 是由名词 hyperinflation 加上形容词后缀 -ary 构成的形容词。hyperinflation 本身由前缀 hyper-（表示"过度、超出"）和 inflation（通货膨胀）组成，字面意思是"过度通货膨胀"。 hyperinflationary 指"恶性通货膨胀的"，形容物价飞涨、货币急剧贬值的极端经济状况。