The path splits into two and you can either go up or down.

这条路一分为二，你可以向上走，也可以往下走。

youdao

It's a toss-up whether oil prices will go up or down over the days ahead.

未来这些日子的油价涨落概率是一半对一半。

《柯林斯英汉双解大词典》

It can go up and it can go down.

它可以上升也可以下降。

youdao

The pistons go up and down as a person stands on lever devices treadles and uses a natural walking motion.

VOA: special.2009.08.17

The moon god has to come up at night and hang around for a while And go back down.

月神每晚都得出来，并且在天空悬一会儿,然后才能回去。

耶鲁公开课 - 旧约导论课程节选

You start here and you fire a projectile It's going to go up and it's going to come down.

从这开始,你抛出一个物体,它将上升至一定高度然后落下

耶鲁公开课 - 基础物理课程节选

But he emphasized the prices are more likely to go up than go down.

WHITEHOUSE: Press Briefing

Special Offer: Make big gains as stocks go up and go down.

FORBES: Reaching Bottom With Bernanke's Help

The short side means that when markets go down, you can actually short the stock markets and actually make them go up when markets go down.

FORBES: A Fund to Smooth Your Investing Ride