YOU SAID:
sally sell seashells by the seashore
INTO JAPANESE
サリーは海岸で貝殻を売る
BACK INTO ENGLISH
Sally sells seashells on the coast
INTO JAPANESE
サリーは海岸で貝殻を販売しています
BACK INTO ENGLISH
Sally sells seashells on the coast
That didn't even make that much sense in English.