身边的经济学·社会常识英语30篇（1）

19 / 30

已读 0 / 30 课

供给与需求如何决定价格

When many people want a product but few units are available, prices usually rise quickly.
Conversely, if factories produce too much while buyers lose interest, sellers must lower prices.
This balance between willingness to buy and ability to supply shapes every market daily.
Even small shifts in consumer habits or production delays can trigger noticeable price changes.
Governments sometimes intervene when extreme shortages or surpluses threaten public welfare or stability.
Farmers, tech firms, and clothing brands all adjust output based on these same economic signals.
Online platforms display real-time demand data, helping businesses forecast inventory needs more accurately.
Understanding this interaction helps explain why concert tickets cost more than bus fares.
It also shows why housing costs jump in cities where jobs grow faster than new apartments.
No central planner sets most prices — they emerge from millions of individual choices.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Governments sometimes intervene when extreme shortages or surpluses threaten public welfare or stability. 当极端短缺或过剩威胁公众福利或社会稳定时，政府有时会介入。
Online platforms display real-time demand data, helping businesses forecast inventory needs more accurately. 在线平台实时显示需求数据，帮助企业更准确地预测库存需求。
Understanding this interaction helps explain why concert tickets cost more than bus fares. 理解这种互动有助于解释为何演唱会门票比公交车票贵。

这篇中文题目最接近哪一句？供给与需求如何决定价格一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？当许多人想要某产品但供应量有限时，价格通常会迅速上涨。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） How Supply and Demand Set Market Prices How to cook noodles A maths worksheet

Governments sometimes intervene when extreme shortages or surpluses threaten public welfare or stability.

Governments sometimes intervene when extreme shortages or surpluses threaten public welfare or stability.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Governments sometimes intervene when extreme shortages or surpluses threaten public welfare or stability.