what goes up must come down

what goes up must come down What goes up,must come down what goes up and never goes down? what comes down but never goes up- what goes up but never comes down what goes up when rain comes down What always goes up and never goes down? What always goes up and never goes down?是什么意思? What always goes up and never goes down? what goes up but never comes up猜一猜 请帮我解决下英语谜题1Have you heard the saying:what goes up must come down Well what goes up and never goes down?( )2 What has a face but no head ( ) 3What has legs but can't walk?( ) 猜一猜下面三个英语谜语分别指的是什么?1.Have you heard the saying:what goes up must come down?Well what goes up and never goes down?2.What has a face but no head?3.What has legs but cannot walk? 英语IQ题：what goes up but never comes down? what comes down,but never goes up?先英翻中再解题 What thing always goes up,and never comes down what goes up and down but doesn't move? 是什么意思? what goes up ang down but doesn't move? what alway goes up,but never come down?