The on screen guidelines may be off center.

屏幕上的指引，可能会偏离中心。

Knives stand on edge; the plates veer slightly off center.

刀竖立着，盘子稍微偏离中心。

Mary hung the picture off center because it was more interesting that way.

玛丽把图片歪着挂起来，因为这样更有趣。

And as you get off center, those light rays won't be focused to the center of the eye.

呈像偏离晶状体中心后，光线就不会集中到眼睛中心。

Just as it's usually best to place horizons off center, it's also best to place verticals off center.

就象我们通常把地平线偏离中心放置，把垂直线放置得偏离中心效果一样好。