Study strategy first drew attention from the researchers in the 1960s. Some reliable achievements have been made based on decades of researches since.

二十世纪六十年代研究者们已经开始关注语言学习策略，经过四十多年的研究，在这个领域已经取得了一些可靠的研究成果。

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Study strategy first drew attention from the researchers in the 1960s. Some reliable achievements have been made based on decades of researches since.

二十世纪六十年代研究者们已经开始关注语言学习策略，经过四十多年的研究，在这个领域已经取得了一些可靠的研究成果。

youdao