A social intercourse is a big branch of speech action study of appellation or addressing and it is a conveying and succeeding symbolic system established by usage.

社交称谓是称谓或称呼言语行为研究中一个大的分支，是一种约定速成的传承性符号系统。

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The parties are bound by any usage to which they have agreed and by any practice they have established between themselves.

当事人受它们同意的惯例以及它们之间确立的习惯做法的拘束。

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The parties are bound by any usage to which they have agreed and by any practices which they have established between themselves.

双方当事人业已同意的任何惯例和他们之间确立的任何习惯做法，对双方当事人均有约束力。

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