Open Live Multilingual Dictionary
| Language | Translation |
|---|---|
| English | facultative |
| English | optional |
| German | wahlfrei |
| French | facultatif |
| Russian | необязательный |
| Russian | произвольный |
| Russian | факультативный |
| Spanish | facultativo |
| Italian | facoltativo |
| Portuguese | facultativo |
| Czech | fakultativní |
| Czech | nepovinný |
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