demand curve

demand curve的音标是[dɪˈmɑːnd kruːv]，基本翻译是需求曲线，速记技巧是“需求”双立人旁加“曲线”。

Demand curve: The term "demand" comes from the Latin "demandare," which means "to call for" or "to request." The demand curve is a graph that plots the quantity demanded of a good or service against its price. It shows the relationship between price and the amount of goods or services that people are willing to buy.

变化形式: The term "demand curve" has undergone some changes over time. It was originally spelled "demandic," which was later shortened to "demand curve."

相关单词:

1. Supply curve: This term refers to the graph that plots the quantity supplied of a good or service against its price. It shows the relationship between price and the amount of goods or services that businesses are willing to supply. The two curves, when intersecting, determine the market price of a good or service.

2. Price elasticity: This term refers to the degree to which the quantity of a good or service changes in response to changes in its price. It is measured by comparing the percentage change in quantity to the percentage change in price.

3. Market share: This term refers to the portion of a market controlled by a particular business or brand. It is calculated by dividing a business"s sales or revenue by the total sales or revenue in a particular market.

4. Marginal cost: This term refers to the additional cost incurred by a business or producer for producing one more unit of a good or service. It is important in pricing and decision-making because it affects the profitability of a business.

5. Quantity demanded: This term refers to the amount of a good or service that people are willing to buy at a given price. It is determined by factors such as price, income, taste, and availability of goods and services.

以上这些单词都与经济学中的供需关系有关，共同构成了市场决策和价格形成的基础。

demand curve:

1. 需求曲线

2. 需求曲线向右倾斜

3. 需求曲线反映需求关系

4. 需求曲线上的点表示特定价格下的需求量

5. 需求曲线的形状取决于价格和产品特性

6. 需求曲线上的移动表示价格变动或消费者偏好的变化

7. 需求曲线的变化反映了市场供需的变化

双语例句：

1. At this price, the demand curve is steep. 在这个价格下，需求曲线陡峭。

2. The demand curve shifts to the right when the price of the product drops. 当产品的价格下降时，需求曲线向右移动。

3. The demand for this product is influenced by its quality and price. 对这种产品的需求受到其质量和价格的影响。

4. The demand curve for gasoline has shifted to the left due to the recent hurricane. 由于最近的飓风，汽油的需求曲线向左移动。

5. The demand for housing has increased due to the economic recovery. 由于经济复苏，对住房的需求增加了。

6. The demand for luxury goods has decreased due to the economic recession. 由于经济衰退，对奢侈品的需求减少了。

英文小作文：

The demand curve is a key tool in understanding market behavior. It represents the relationship between price and quantity demanded, and it can shift depending on factors such as product quality, price, and consumer preferences. Understanding the shape of the demand curve is essential for businesses seeking to maximize profits and for consumers seeking the best value for their money. However, the demand curve is not a static concept, but rather a dynamic tool that changes over time and in response to market conditions. Therefore, it is important to keep up with market trends and changes in order to make informed decisions and stay ahead of the competition.