Questions:1.Why are giraffes the cheapest to feed?

Questions:1.Why are giraffes the cheapest to feed?为什么养长颈鹿最不花钱?2.Why are dogs afraid to sunbathe?狗为什么害怕日光浴?3.Why is the pig always eating?猪为什么没完没了地吃?4.Why are politicians no longer concerned with snowb