Some nouns in English are uncountable nouns.
英語中有些單詞是不可數(shù)名詞。

We do not use uncountable nouns in the plural and we do not use them with the indefinite article, a/an.
不可數(shù)名詞沒有復數(shù)形式，我們也不用不定冠詞a/an修飾他們。

We ate a lot of foods > We ate a lot of food

We bought some new furnitures > We bought some new furniture.

That’s a useful information > That’s useful information

We can use some quantifiers with uncountable nouns:
我們可以用某些量詞修飾不可數(shù)名詞：

He gave me some useful advice.

They gave us a lot of information.

Uncountable nouns often refer to:
不可數(shù)名詞有一下類別：

Substances: food; water; wine; salt; bread; iron

Human feelings or qualities: anger; cruelty; happiness; honesty; pride;

Activities: help; sleep; travel; work

Abstract ideas: beauty; death; fun; life

Common uncountable nouns
常見的不可數(shù)名詞

There are some common nouns in English, like accommodation, which are uncountable nouns even though they have plurals in other languages:
英語中有許多名詞，如accommodation，是不可數(shù)名詞，但它在其他語言中有復數(shù)形式：

Let me give you some advice.

How much luggage have you got?

If we want to make these things countable, we use expressions like:
如果想讓這些詞變得可數(shù)，可以用下列短語：

Let me give you a piece of advice.

That’s a useful piece of equipment.

We bought a few bits of furniture for the new apartment.

She had six separate items of luggage.

but we do not use accommodation, money and traffic in this way.