What is "default language"?

[Jupiter]

Hi teachers,

Please see the following:

It is a lingua franca of conferences and many articles in fields as diverse as astrophysics and zoology have English as a kind of default language.

What is "default language"?

Thanks in advance

Jupiter

[Alan]

Hi,

This means this is the main language used. Default use suggests automatic use.

A
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English as a Second Language
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