新概念优美背诵短文 Unit10:Types of Speech
新概念优美背诵短文50篇 Unit10:Types of Speech Standard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality. As such, these words and expressions are well defined and listed in standard dictionaries. Colloquialisms, on the other hand, are familiar words and ...