它是各国文化的精髓，反映各国的风俗习惯。
It is the essence of national culture, reflecting national customs.
习语是各国文化的精髓，反映各国的风俗习惯。
Idioms, which reflect customs, are the essence of culture in every country.
由于亚洲各国文化和风俗习惯差异较大，因此在这里给小费格外困难。
When you go to a foreign country, you must adapt yourself to new manners and customs.
由于亚洲各国文化和风俗习惯差异较大，因此在这里给小费格外困难。
When you go to a foreign country, you must adapt yourself to new manners and customs.
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