Timeline for Wird es höflich, fremde, ältere Erwachsene zu duzen, auch in professionellem Umfeld?
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 11, 2018 at 15:48 | history | answered | Carsten S | CC BY-SA 4.0 |