求翻译：汉语是世界上的主要语言之一，汉语中大约有50000个汉字，其中大约20000个是多数人所知晓的。汉语有8种主要变体，他们在发音方面有很大的差异。是什么意思？

Chinese is one of the world's major languages, there are about 50,000 Chinese characters, of which about 20,000 are known to most people. There are eight major Chinese variants, they have very different pronunciation.

Chinese language is one of the languages of the world's major in Chinese language, there are about 50,000 Chinese characters, of which about 20,000 are a majority of which is known. There are 8 different language, they are the main variants there are significant variations in pronunciation.

Chinese is one of in world main languages, in Chinese probably has 50000 Chinese characters, in which about 20000 is the most people knows.Chinese has 8 kind of main anomalous forms, they have the very big difference in the pronunciation aspect.

Chinese is one of the main languages in the world, there are about 50,000 Chinese characters in Chinese, of which about 20,000 are known by the majority. Chinese has 8 major variants, their pronunciation very different.

Chinese is one of in world main languages, in Chinese probably has 50000 Chinese characters, in which about 20000 is the most people knows.Chinese has 8 kind of main anomalous forms, they have the very big difference in the pronunciation aspect.