It is assumed that the very concept of presenter should be defined in terms of the nature, role, language behaviour of the presenter and program context.

本概念应当从节目主持人的角色属性、角色任务、角色言语行为方式、节目语境特征等方面进行界定。

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There were also no significant differences between the groups in relation to their speech, language, behaviour or neurological development.

BBC: Pregnant woman undergoing an ultrasound

Under the terms of the ASBO granted on Friday Dickens cannot use abusive, offensive, threatening or intimidating language or behaviour in a public place.

BBC: NEWS | UK | Wales | North West Wales | Landlord's asbo after 'threats'

It's a case of bad behaviour, bad language and very very bad timing.

BBC: Andrew Mitchell: It doesn't look good