[詞彙區別] a number of 與 the number of 的區別

Q1: a number of 與 the number of 有什麼區別?

A1:

1. A number of + 複數名詞 + 複數動詞 = some/many/a lot of + 複數名詞 + 複數動詞

A number of cars are on the freeway during rush hour.

在尖峰時刻，高速公路上有許多車輛。

A number of people have protested the actions of the Philippine government.

有些人抗議了菲律賓政府的行為。

2. The number of + 複數名詞 + 單數動詞; the number of = one number (一個數字，例如100)

The number of people in this nation has grown.

這個國家的人口數量已經增長。

The number of cars in this city is greater than the number of parking spaces available.

這個城市的汽車數量超過了可用的停車位數量。

Q2: amount of，number of ，quantity of 有什麼區別?

A2:

1. amount 通常跟不可數 (uncountable)、無生命 (inanimate) 的名詞連用

The amount of stress I have to suffer during finals week is immeasurable (mostly because I did not study until the last week).

在期末考的那一週，我所要承受的壓力是無法衡量的（主要是因為我直到最後一週才開始學習）。

My wife did NOT spent a very large amount of money yesterday. She only spent 100 NTD, which was all the money I had in my wallet.

我太太昨天並沒有花很大一筆錢。她只花了我錢包裡所有的錢，也就是一百新台幣。

2. number 跟可數 (countable)、有生命 (animate) 或無生命 (inanimate) 的名詞連用

Only a small number of people were infected with the H7N9 strain of the bird flu.

只有少數人感染了H7N9型禽流感。

A large number of books were donated to the local library.

有大量的書籍被捐贈給當地的圖書館。

3. quantity 通常跟可數或不可數、無生命的名詞連用

There are large quantities of apples on sale in the market.

市場上有大量的蘋果正在出售。

A large quantity of imported beer has been sold.

大量的進口啤酒已經被賣出。

心智圖詞彙攻略: https://bit.ly/31rvaFL