经济如何运作
How the Economy Works
什么是经济；生产者与消费者；供给与需求；价格为什么会有变化；市场运作的基本原理。
What an economy is; producers and consumers; supply and demand; why prices change; the basics of how markets work
学习证据 / Evidence
- 用简单的例子（如大热天里的冰淇淋）解释“供给与需求”是什么意思。
- 描述生产者与消费者之间的区别。
- 说出某个东西的价格可能上涨或下跌的一个原因。
- Explain what 'supply and demand' means using a simple example (ice cream on a hot day)
- Describe the difference between a producer and a consumer
- Give a reason why the price of something might go up or down
评估问题 / Assessment
{{name}}能解释一下为什么夏天在海滩上冰淇淋可能比冬天在超市里卖得更贵吗？
Could {{name}} explain why ice cream might cost more at the beach in summer than at a supermarket in winter?