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Good morning everyone. Today I'm going to talk about some large language families. I'll start my talk with two questions. Do you know how many languages are used throughout the world today? How many major language families are there? OK. There are more than 3000 languages used throughout the world today. Almost all of these languages belong to a much smaller number of language families. All of the languages within a language family are related and all of them have a similar history. Therefore the grammar, vocabulary, and sounds of related languages are similar. In addition, the way of thinking and the style of talking among related languages is similar. Even though there are over 3000 languages that are used today, there are only about 20 to 30 major language families. Let's take a brief look at some of the largest language families. Each of these large families includes many individual languages.
各位早上好，今天我要讲的内容是一些大型语言系。在开始前，我问两个问题。你知道世界上有多少种语言在使用吗？有多少个主要的语系呢？ 好的，至今为止，世界上有超过3000种正在使用的语言。几乎所有的语言都属于一个很小的语言系。所有的语言在一个语言系都是相互关联的，而且他们都有相似的历史。因此相关联的语言的语法、词汇和声音都很相似。此外，这些语言的想法和说话的形式也是相似的。 虽然现在有3000多种使用的语言，但只有20到30种主要的语系。 现在让我们来简单介绍一下一些主要的语系。每一种语系都包含很多独特的语言。 ——By lsy34