Social customs and habits contribute to the difficulty in learning a foreign language.

社会风俗习惯增加了学习外语的难度。

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The collection is a rich source of local Chronicles and imperial examinations and precious materials for the study of history, people, and social customs and habits.

收集是一个丰富的地方志和科举和贵重材料的研究历史，人民，社会风俗和习惯。

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You will encounter a wide range of social customs, habits and perspectives on life that may be new and different from what you have experienced before.

你能接触到广泛的社会风俗习惯以及一些你可能从未听说过的对生活的不同看法。

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But there are no rules for this emerging world of social media, only customs and habits, which is one of the things that makes it a fascinating mess.

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Despite the democratization of access to information that the Internet and mobile devices have brought, the business of social networks is subject to customs, cultural habits, and privacy tolerances.

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