They want to target prospective clients.

-lity放在形容词，可构成抽象名词。他们想要面向潜在客户。

And you can also describe abstract nouns.

也可以描述抽象名词。

A problem is an abstract noun, it's just an idea.

问题是一个抽象名词，它只是一个想法。

So a concrete noun is a physical object and an abstract noun is not.

因此，具体名词是物理对象，抽象名词则不是。

So, how do you make something abstract - how do you make an abstract noun concrete?

那么， 如何使一些东西变得抽象——如何使一个抽象名词变得具体呢？

What abstract nouns are is they represent concepts, not real things that we can touch in the world.

抽象名词是什么，它们代表的是概念，不是我们在世界上可以触摸到的真实事物。

The fourth rule is that we don't use an article for abstract nouns in English, so hope, love, or friendship.

第四条规则是，在英语中，抽象名词如希望、爱或友谊前不使用冠词。

Once Sumerians had hit upon this phonetic principle, they began to use it for much more than just writing abstract nouns.

一旦苏美尔人发现了这一语音原则，他们就开始将其用于不仅仅是书写抽象名词的用途。

And if we put abstract nouns at the beginning of sentences, usually we don't want an article there because we're talking in general.

如果我们把抽象名词放在句子的开头，通常我们不希望那里有冠词，因为我们是在笼统地谈论。

So today I'd like to talk to you about the idea of concrete and abstract nouns, and before we do that, I'd like to get into some word origins or etymology.

所以今天我想和们谈谈具体名词和抽象名词的概念，在我们这样做之前， 我想谈谈一些词源或词源。

I understand that in Japanese poetry and culture, a lot of abstract nouns are used, such as: " wisdom" , " peace" , " bravery" , " courage" , " cowardice" .

我了解到在日本的诗歌和文化中， 使用了很多抽象名词，例如：“智慧” 、“和平” 、“勇敢” 、“勇气” 、“懦弱” 。