what falls but never gets hurt,英语答案是什么?

what falls but never gets hurt,英语答案是什么? What falls but never gets hurt? what falls often but never gets hurt什么意思 what falls down all the time but never gets hurt? 请教What often falls but never gets hurt?用英语回答 what falls often but never hurt? what often falls at the north pole but never hurt? 猜谜what fallls often but never gets hurt? 谜语:what is it that fals often but never gets hurt? What never asks any question but alawys gets answers? What never asks questions but always gets answers? 谜语：What never asks any questions but always gets answers?