第二部分讨论的是实验采取的步骤和学习者错误的类型。

Part Two describes the main steps of the case study and makes a classification of the learner errors.

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第四，学习者错误的认知策略也可引起第二语言习得的停滞。

Fourth, a learner's faulty cognitive strategies also cause the stabilization of his second language acquisition.

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本书的目的在于帮助学习者避免和减少在近义词应用上的错误。

This book aims at helping the readers reduce and avoid mistakes in the use of Chinese homoionym.

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