每日口說挑戰經濟學很困難？來看看你一定學得會的供需法則！(Demand and Supply Explained- Econ 2.1)

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The curve shows a steep slop(陡俏的斜坡）.

*A gentle slop.

*substitute for sth/sb 替代某東西/某事
E.g. The protein shake can be served as a substitute(代替品；代餐） for a meal.

Tofu can be used as a meat substitute in vegetarian recipes.

Marginal utility(邊際效用) means a benefit gain from consuming one additional unit of a product or service.

He ate too many cookies and eating one more will not bring him much pleasure. This is known as diminishing marginal utility(邊際效用遞減).

Gallon is a unite for measuring volume.

A gallon of sth ㄧ加侖的某東西

One gallon is about 3.785 liters(公升).

How much does a gallon of petrol(汽油) cost?

A person’s purchasing power（購買力） is an ability to buy goods.

The purchasing power of people living on investment income(靠投資收入維生的） has fallen as interest rates have gone down.

*Purchasing power is important because, all else being equal, inflation (通膨）decreases the amount of goods or services you would be able to purchase, which means your purchasing power goes down.

Day 247
That means when the price goes down, the quantity demanded increases.

熬夜唱到快四點...補錄音QQ

[NOTE]
That means when the price goes down, the quantity demanded increases.

意味著價格下降時，需求量會增加。

句子選自此影片 : 經濟學很困難？來看看你一定學得會的供需法則！(Demand and Supply Explained- Econ 2.1)

1. _
* slope [slop] (n.) 傾斜；坡度
- The curve shows a steep slope.
+ 曲線顯示陡峭的斜率。
- A gentle slope => 緩坡

2. _
* substitute [ˋsʌbstə͵tjut] (n.) 替代品；代替物
- substitute for sth/sb => 替代某東西/某事
- The protein shake can be served as a substitute for a meal.
+ 蛋白質奶昔可以作為膳食的替代品。
- Tofu can be used as a meat substitute in vegetarian recipes.
+ 豆腐可以作為素食食譜中的肉類替代品。

3. _
* marginal utility [] (n.) 邊際效用
- Marginal utility means a benefit gain from consuming one additional unit of a product or service.
- He ate too many cookies and eating one more will not bring him much pleasure. This is known as diminishing marginal utility.
+ 他吃了太多的餅乾，吃了一個不會給他帶來太多樂趣。 這被稱為邊際效用遞減。

4. _
* gallon [ˋgælən] (n.) 加崙
- Gallon is an unite for measuring volume.
- A gallon of sth => 一加侖的某東西
- One gallon is about 3.785 liters.
+ 一加侖約3.785升。
- How much does a gallon of petrol cost?
+ 一加侖汽油需要多少錢？

5. _
* purchasing power [] (n .) (個人的) 購買力
- A person’s purchasing power is the ability to buy goods.
- The purchasing power of people living on investment income has fallen as interest rates have gone down.
+ 隨著利率下降，以投資收入為生的人的購買力下降。

☺That means when the price goes down, the quantity demanded increases.
這意味著價格下降時，需求量會增加。
【心得】一次喝1加侖的牛奶，真的是太可怕了@@會羨慕他的應該只有嬰兒界的大胃王吧!?
■slope [slop] 傾斜；坡度
坡；斜面
拖槍姿勢
(使)傾斜、有坡度
{英式口語}(通常指爲逃避工作)溜走[(+off/away)]
{軍}掮(槍)
■substitute [ˋsʌbstə͵tjut] 替代品；代替物；代替人
(用…)代替
代替的；代用的；替補的
■marginal utility 邊際效用
■gallon [ˋgælən] 加崙
gallons of+N. 大量(液體)
■purchasing power (個人/貨幣的) 購買力

That means when the price goes down, the quantity demanded increases.
瘋狂大搶購就是這樣來的~~

但價格上漲，需求量還是一樣。

2019/06/05

Demand And Supply Explained

That means when the price goes down,the quantity demanded increases.

* slope

* substitute（n.)：a thing or person that is used instead of another thing or person（替代品，代替物）
- Tofu can be used as a meat substitute in vegetarian recipes.（素食食譜中豆腐可用以替代肉類。）
* substitute(v.)：to use something or someone instead of another thing or person（用…代替，代之以）
- You can substitute oil for butter in this recipe.（這道菜中你可以用食用油代替奶油。）
* there is no substitute for sth-nothing is as good as the stated thing（…是無可替代的。）
- You can read about other countries, but there's no substitute for visiting them yourself.（你可以閱讀有關其他國家的資訊，但是什麼也代替不了親自到訪體驗。）

* marginal utility
* gallon
* purchasing power

Thanks Eric and every friend~

# quantity demanded ?!

[Day 340]

That means when the price goes down, the quantity demanded increases.
意味著價格下降時，需求量會增加。

slope(n.) = [C]坂，斜面; [U]勾配
EX:　The store is up the slope/ hill.　＝　お店は坂の上にあります。
EX:　He tumbled on a steep slope while skiing.　＝　彼はスキーをしていて急斜面で転倒した。

句子選自此影片 : 經濟學很困難？來看看你一定學得會的供需法則！(Demand and Supply Explained- Econ 2.1)
https://tw.voicetube.com/videos/75666?ref=everyday