What is it that goes up and never goes down ?

what goes up and never goes down? what is it that goes up and goes down but does not move?求大神级 What goes up and never comes down? What always goes up and never goes down? What goes up and never goes down?字谜 What always goes up and never goes down?是什么意思? a---- goes up and never goes down How good it is to be alway What part of us goes up and never comes down? What thing always goes up,and never comes down 英语翻译What always goes up and never goes down?What’s black whe what comes down but never goes up- What goes up but never comes down?