YOU SAID:
cats need almost enough mice to feed a cow
INTO JAPANESE
猫は牛に餌をやるのにほぼ十分なマウスが必要です
BACK INTO ENGLISH
Cats need almost enough mice to feed cattle
INTO JAPANESE
猫は牛に餌をやるのにほぼ十分なマウスを必要とします
BACK INTO ENGLISH
Cats need almost enough mice to feed cattle
That didn't even make that much sense in English.