YOU SAID:

But why its not the only thing that moves up and down much?

INTO JAPANESE

しかし、なぜその唯一のあまり上下に移動ですか?

BACK INTO ENGLISH

But why only so much up and down movement is?

INTO JAPANESE

しかしなぜ上下方向だけそんなにあるか。

BACK INTO ENGLISH

But why is that only the up and down direction.

INTO JAPANESE

なぜアップのみですが、上下方向。

BACK INTO ENGLISH

Why is only up and down direction.

INTO JAPANESE

理由は上下方向にのみ。

BACK INTO ENGLISH

Why only in the vertical direction.

INTO JAPANESE

垂直方向にのみ理由。

BACK INTO ENGLISH

This is why only in the vertical direction.

INTO JAPANESE

これは垂直方向にのみ理由です。

BACK INTO ENGLISH

This is why only in the vertical direction.