第二语言耗损对我国的外语教学具有重大的意义。

Second language attrition has great implications for foreign language teaching and learning in China.

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本文概述语言耗损研究的历史与现状，包括语言耗损研究的主要内容和意义，以及目前存在的若干问题和难点。

This article presents a review of language attrition research, including its main themes and significance, problems and difficulties as well as its early developments and present situation.

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