Fierce Cats, for instance, would be greatly helped; no running fights with large, fierce rats or tussles with grown rabbits----just a bite and no more effort needed.

• 譬如说,如果猫有毒液,那对猫会大有帮助,它就不必再和又大又凶的老鼠边跑边搏斗了,也不必再和大兔子扭斗了,只要咬一口,就不必再费大力气。