本文以语料库文本是否为二语学习者掌握为分类标准，把语料库分为已掌握文本语料库和未掌握文本语料库，并分析了学习者自建已掌握文本语料库的多种强大功能，已掌握文本语料库对二语学习有重要促进作用。最后，文章也指出了已掌握文本语料库的一些不足和解决的方法。

Using the criterion of whether the text has been grasped by second language learners, the article divides corpus into two kinds:grasped text corpus and non-grasped text corpus. It also has analyzed the powerful functions of the grasped text corpus built by the learners. It points out that grasped text corpus contributes greatly to the learning of second language. And in the end it also shows some drawbacks of the grasped text corpus and the ways of improving it.

此文以广东石油化工学院大学生英语写作自建语料库（GuPT—EWCCS）为例，讨论了自建语料库的三个关键问题，分别是：语料库的定义及类型，语料库的结构设计、选材原则和选材方法，语料库的质量测试方式。其设计方案以期给白建语料库的研究者提供可行性借鉴。

This paper ,taking GUPT-EWCCS established by the author as an example ,intends to specify some ideas about the construction of corpora:(1) the definition and the types of corpora ;(2) the structure design ,the data-selection principles and selection method in corpora ;(3) the quality test methods of corpora .This proposal is eropeceed to provide the easy accessibility to researchers of corpus con-struction .

2013第二届中国语料库语言学大会于2013年10月19-20日在东华大学召开。会议的主题是"发展中的语料库语言学"。会议围绕5个议题展开研讨,即专门用途语料库,中介语对比分析,平行语料库和翻译,语料库与语言教学,语料库与语言描写等。本次会议显示出以下特点:(1)专门用途语料库研究异军突起。(2)短语学和意义单位研究受到重视。(3)基于平行语料库的翻译研究成为热点。

Corpus Linguistics in China 2013 was held at Donghua University on October 19 and 20, 2013. The conference covered five areas of research:ESP corpus, interlanguage contrastive analysis, parallel corpus and translation, corpus and language teaching, corpus and language description. The conference was characterized by (1) the fast development of the ESP corpus research;(2) the emphasis laid on phraseology and units of meaning;(3) the hot issue of parallel corpus and translation study.

语料库手段是语言教学和语言研究的新思路和新方法。本文主要论述了语料库的发展、研究特点、主要应用领域，并对语料库的局限性进行了分析，指出语料库方法对外语教学和研究的重大意义。

Corpus mean is a new idea and new method of language teaching and language research. This paper mainly discusses the development, characteristics, applications of corpus, and limitations of the corpus, points out the significance of corpus approach to foreign language teaching and research.

与传统商务英语学习词典相比,基于语料库的商务英语学习词典不但能为词目的筛选提供扎实的基础,还能提供可靠的词频信息及搭配信息,并有助于近义词的精确区分。为了更好地使用语料库编写商务英语学习词典,首先要搞好语料库建设,所建语料库必须具有代表性和一定规模,并注意语料更新。其次,释义时要把来自语料库的语言知识和语料库之外的商务背景知识有机结合。最后,要注意从语料库众多的素材中选择出篇幅短小而意蕴丰富的例证。

Compared with traditional business English learners’ dictionaries, the advantage of corpus-based business English learners’ dictionaries lies in its capacity to lay a sound foundation for the selection of business lexis as headwords, to provide reliable information of word frequency and collocation, and to make more precise discrimination of synonymous words. In order to make a better use of corpus data, one first needs to construct a business English corpus with a large size which is representative and up-to-date. Secondly, it is of paramount importance to combine linguistic knowledge extracted from corpora with background knowledge of business outside corpora. And it is equally important to extract proper and informative examples from corpora.