说实话，Supply and demand are basic concepts of economics.
供求是经济学的基本概念。
There are two forces that determine the prices of the goods and services we buy every day.
有两种力量决定了我们每天购买的商品和服务的价格。
Being familiar with them can help you better understand the economic world around you.
熟悉它们可以帮助您更好地了解您周围的经济世界。
Trade.
贸易。
Trade is the exchange of goods or services between buyers and sellers.
贸易是买卖双方之间的商品或服务交换
A buyer gives money to a seller in return for good service.
买方向卖方提供货币以换取商品或服务。
The price of a good or service depends on the supply of the seller and the demands of the buyer.
商品或服务的价格取决于卖方的供应和买方的要求。
Supply.
供应。
Supply is the quantity of goods or services that sellers have and are willing to sell.
供应是卖方拥有并愿意出售的商品或服务的数量。
In order for a buyer to purchase a good or service, there must be supply of it.
为了买方购买货物或服务，必须有供应。
Demand.
需求。
Demand is the quantity of goods or services that buyers are willing and able to purchase.
需求是购买者愿意并且能够购买的商品或服务的数量。
In order for a business to sell its products, there needs to be demand for them.
为了让企业销售其产品，需要对它们进行需求。
What determines the price of a good or service being traded?
How much profit a seller makes.
The supply and demand of the product,
an exchange of money.
The price of a good or service depends on the supply of the seller and the demands of the buyer.
What will happen to a farm supply of apples if it's apple crop grows well.
Its supply will decrease.
It will sell more apples,
its supply will increase.
If it's apple crop grows well, its supply of apples will increase.
If there is a demand for its goods or services, a business won't be able to sell them.
The price of a good or service depends on how much supply the seller provides and how much the buyer demands.
The company is increasing supply to meet new demand.
As consumer income rises, there is usually a higher demand for high end products.
There was not enough demand for their products, so they were forced to cut prices.
In order for a buyer to purchase a good or service, there must be supply of it.
The price of a good or service depends on how much supply the seller provides and how much the buyer demand.
Market price.
市场价。
The market price is the price at which something is offered in the marketplace.
市场价格是市场上提供某种东西的价格。
If consumers think the price of a product is too high, they will not want to buy it. So there will be little demand.
如果消费者认为产品价格过高，他们就不会想买。因此需求量很小。
If the price of a product is lower than consumers expectations, it will be sold quickly at less profit.
如果产品的价格低于消费者的预期，它将以较低的利润迅速出售。
Surplus.
剩余。
A surplus occurs when the supply of a product is higher than the demand.
当产品供应高于需求时出现盈余。
If sellers have a surplus of products, they may lower their prices in order to sell more.
如果卖家有过剩的产品，他们可能会降低价格以便卖出更多产品。
Shortage.
短缺。
A shortage occurs when there is not enough supply to meet the demand.
当供应不足以满足需求时，就会出现短缺。
During a shortage, sellers may choose to raise the prices in order to make more money.
在短缺期间，卖家可能会选择提高价格以赚取更多钱。在短缺期间，卖家可能会选择提高价格以赚取更多钱
What happens when the price of a product is lower than consumers expectations?
当产品价格低于消费者期望时会发生什么？
If the price of a product is lower than consumers expectations, it will be sold quickly at less profit.
如果产品的价格低于消费者的预期，它将以较低的利润迅速出售。
The product doesn't sell well, it may lead to a surplus.
Why the seller raised the price of a product during a shortage.
为什么卖方在短缺期间提高了产品的价格。
They want to reduce demand.
They want to sell more products.
They want to make more money.
During a shortage, sellers may choose to raise the prices in order to make more money.
短缺可能会选择提高价格以赚取更多钱。
What happens when the supply of a product is lower than its demand?
A shortage occurs when there is not enough supply to meet the demand.
The quantity of goods or services that sellers have and are willing to sell.
Supply is the quantity of goods or services that sellers have and are willing to sell.
The market price is the price at which something is offered in the marketplace.
市场价格是市场上提供某种东西的价格。
The supermarket had a surplus of pairs, so it's lower the price in order to sell them before they went wrong.
超市有成对的剩余，所以它降低了价格，以便在它们腐烂之前卖掉它们。
At the end of the summer, the store has a surplus of shorts because they didn't sell well.
在夏天结束时，商店有短缺过剩，因为他们卖得不好。
There has been a shortage of that toy. So some vendors are selling it for three times the price.
那个玩具短缺了。因此，一些供应商以三倍的价格出售它。
They underestimated demand for their new handbags. So there was a shortage.
他们低估了对新手提包的需求。因此出现了短缺。
At the end of the summer, the store has a surplus of shorts because they didn't sell well.
