There are many different languages in the world.
世界上有很多不同的语言。
This is because developers throughout the world are programming in different languages.
这是因为在世界各地发展商在不同的语言编程。
Nobody knows how many different languages there are in the world.
没有人知道世界上有多少种语言。
Nobody knows how many different languages there are in the world.
没有人知道世界上有多少种语言。
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