golden goose

Etymology
See.

Noun

 * 1)  Something that generates much profit or gives great advantages.

Translations

 * Chinese:
 * Mandarin:
 * Finnish:, kultainen hanhi,
 * French:
 * German: goldene Gans
 * Greek: κότα με τα χρυσά αυγά, χρυσό αβγό
 * Italian: gallina dalle uova d'oro
 * Japanese:
 * Polish:
 * Romanian: gâscă cu ouă de aur
 * Russian: де́нежное де́рево,, курица несущая золотые яйца
 * Vietnamese: gà đẻ trứng vàng