As I say in just about every design article I write, center alignment should be a last resort, not a first.

正如我在所有幻灯片设计的文章里所说的，居中对齐应该是你的最后选择而非首选。

youdao

It tends to be the weakest text alignment that you can choose, having a hard edge increases readability considerably (notice that book pages aren't center-aligned).

居中对齐是最差的文本对齐方式。排列整齐，边缘分明的文本会明显增强其可读性(注意书页从不以居中方式对齐)。

youdao

The screen alignment Settings were not saved. After tapping the center of each crosshair, you must tap once more to accept the alignment Settings when instructed.

没有保存屏幕校准设置。在点击每个交叉线的中心后，您必须在提示时再点击一次以接受校准设置。

youdao

The center also endorses reforms of the military healthcare and retirement systems aimed at bringing compensation levels into closer alignment with the pay and benefits of private-sector workers.

FORBES: Pentagon Should Cut Bloated Head Count, Not Weapons Programs