language usage and language use
language usage and language use
语言使用和语言使用
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Dr Tony McEnery, of the University of Lancaster's Department of Linguistics, who has compiled a huge database of modern English usage, says children and teenagers are "quite productive" in their use of abusive language.
BBC: Refugee: today's playground insult?