YOU SAID:
she sells seashells buy the seashore
INTO JAPANESE
彼女は貝殻を売って海岸を買う
BACK INTO ENGLISH
She sells seashells to buy the coast
INTO JAPANESE
彼女は海岸を買うために貝殻を売っている
BACK INTO ENGLISH
she sells seashells to buy a beach
INTO JAPANESE
彼女は浜辺を買うために貝殻を売っている
BACK INTO ENGLISH
she sells shells to buy a beach
INTO JAPANESE
彼女は浜辺を買うために貝殻を売っている
BACK INTO ENGLISH
she sells shells to buy a beach
That didn't even make that much sense in English.