There are a total of three, power/lock (one button) and up/down volume (two buttons).

共有三个，开机/锁定(一个键)、上/下（两个键）。

youdao

I would swim up and down and all around in laps of two or three.

我会游泳，向上和向下，并在各地圈的两个或三个。

youdao

Details are unclear about how the fight went down between the two rivals and the golden-gal, but all three individuals soon turned up at the hospital sporting stab wounds.

关于三个人争斗的细节不得而知，总之很快三个人都满是伤口的躺在医院里。

youdao

We should expect some level of volatility in the next two to three weeks up or down.

FORBES: Are Technicals Signaling A Time To Buy? We Think Yes

Of those 25 participants, 20 see prices up, while two see prices down, and three see prices sideways or unchanged.

FORBES: Higher Gold Prices Seen For Next Week -- Survey Participants

Of those 26 participants, 21 see prices up, while two see prices down, and three are neutral or see prices moving sideways.

FORBES: Gold Survey : Solid Majority See Higher Gold Prices Next Week -- Survey Participants