optionnel in other languages

• English
  

• Arabic
  

• Catalan
  

• Czech
  

• Dutch
  

• Finnish
  

• French
  

• German
  

• Greek
  

• Hindi
  

• Italian
  

• Norwegian
  

• Bokmål
  

• Nynorsk
  

• Persian
  

• Portuguese
  

• Russian
  

• Spanish
  

• Swedish
  

• Turkish
  

• Yiddish