YOU SAID:
sally sold some sea shells by the sea shore
INTO JAPANESE
サリーは海岸でいくつかの貝殻を売りました
BACK INTO ENGLISH
Sally sold some shells on the beach
INTO JAPANESE
サリーはビーチでいくつかの貝殻を売りました
BACK INTO ENGLISH
Sally sold some shells on the beach
That didn't even make that much sense in English.