The corpus is the samples of the language facts, which has supplied the language teaching with the authentic language materials.
语料库是语言事实的采样，它为语言教学提供了真实的语言材料。
There is a general consensus in language teaching that the use of authentic materials is beneficial to students' communicative competence.
对于语言教学有一个共识：使用真实材料有助于培养学生的交际能力。
For a learner to benefit from the input, the language materials need to have a number of qualities: authentic, comprehensible and challenging.
对于一个学习者受益于输入的语言材料需要有一些品质：真实的，可理解的和富有挑战性的。
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