The view of language in discourse is given in the continuation Conventional linguistic units are just one resource exploited in usage events. In speaking and understanding, we draw on our full range of knowledge, mental abilities and interpersonal skills. also essential is our apprehension of the context, one facet of which is the ongoing discourse itself. The various factors contributing to usage events should not be thought of as separate and discrete(不可分割)• The view of language in discourse is given in the continuation: • Conventional linguistic units are just one resource exploited in usage events. In speaking and understanding, we draw on our full range of knowledge, mental abilities, and interpersonal skills. Also essential is our apprehension of the context, one facet of which is the ongoing discourse itself. The various factors contributing to usage events should not be thought of as separate and discrete（不可分割）