Crying as an expression of feeling is unique to humans and has played an essential role in human evolution and the development of human cultures.

哭泣作为一种情感的表达是人类独有的，这在人类进化和人类文化的发展中发挥了重要的作用。

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But crying as an expression of feeling is unique to humans and has played an essential role in human evolution and the development of human cultures.

但哭泣作为一种情感的表达是人类独有的，这在人类进化和人类文化的发展中发挥了重要的作用。

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Development organizations typically have standards, though their expression may be formal or informal.

开发组织一般都拥有标准，尽管它们的表达是正式或非正式的。

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You can access the contribution made by the Division of Freedom of Expression and Media Development here.

UNESCO: MEDIA SERVICES

Casual visual expression marks a fundamental development in human communication.

FORBES: Why Founding Photographer William Henry Fox Talbot Would Have Grokked Photoshop

The Pan African Conference on Access to Information and Highway Africa Conference offer an ideal opportunity to discuss the role of professional capacity building and supporting institutions that underpins freedom of expression, pluralism and development as an important element of media development.

UNESCO: Communication and Information