A few abbreviations are so common that you can use them without guilt.

有一些极为常用的缩写形式，您仍然可以放心使用。

youdao

Minimize use of abbreviations: use only the most common, standard abbreviations.

仅使用最常见的标准缩写词。

youdao

Minimize use of abbreviations: use only the most common, standard abbreviations.

仅使用最常见的标准缩写词。

youdao