YOU SAID:
Beans are good when roasted over a fire
INTO JAPANESE
豆は火で焙煎すると良いです
BACK INTO ENGLISH
Beans should be roasted on fire
INTO JAPANESE
豆は火で焙煎する必要があります
BACK INTO ENGLISH
Beans need to be roasted on fire
INTO JAPANESE
豆は火で焙煎する必要があります
BACK INTO ENGLISH
Beans need to be roasted on fire
That didn't even make that much sense in English.