经过四十多年的发展,二语习得研究如何才能继续求得生存发展的空间?本文指出其中的一条出路便是将其更为紧密地与课堂教学实践相结合,突出其实践价值。Loewen(2015)在前人的基础上走出了重要的一步,本文对该专著做了简要介绍和点评,认为它定位清晰,符合二语习得研究发展走向,适合二语教学和研究人员阅读。 After more than 40 years of development, how can the study of second language acquisition continue to seek a space for survival and development? One of the solutions to this article is to combine it with classroom teaching practice more closely to highlight its practical value. Loewen (2015) has taken an important step forward on the basis of its predecessors. This article gives a brief introduction and comments on the monograph, concludes that it is clear in positioning and in line with the development of second language acquisition research and is suitable for second language teaching and researchers to read.