a horn of plenty的用法和样例：
- A horn of plenty; a cornucopia.
- His sole concern was his rickshaw. This could provide griddle cakes and all sorb of food; it was a horn of plenty which followed him meekly around.
- You cannot make a horn of a pig's tail.
- Nature, very oddly, when the horn of plenty is quite empty, always fills it with babies.
- This symbol was called a cornucopia or horn of plenty.