One thing is for sure: never use all caps, or else the form would look unprofessional and be difficult to scan.

还有一点要明确：一定不要用大写，不然表单会看起来不专业且难以阅读。

youdao

Minimize the use of ALL CAPS and italics as they are much harder to read on screen.

尽量避免使用全大写字母和斜体字，在电脑屏幕上更难读。

youdao

In turn, the aspect gains the flexibility to use alternate highlighting strategies (CSS highlighting for HTML, all-caps highlighting for plain text).

从而使方面获得了使用不同的突出显示策略的灵活性(HTML的CSS突出显示、纯文本的全部大写突出显示等等)。

youdao

Another odd glitch: The Mountain Lion online help system alludes to spoken commands you can use with dictation, such as "all caps" to CAPITALIZE the next word.

CNN: Review: Mac's Lion adventure continues