The logical problem in second language acquisition originates from that in first language acquisition and causes much disputation in the field of language acquisition.
二语习得的逻辑问题是由母语习得的逻辑问题引发的，在语言习得领域争议较大。
The logical problem in second language acquisition originates from that in first language acquisition and causes much disputation in the field of language acquisition.
二语习得的逻辑问题是由母语习得的逻辑问题引发的，在语言习得领域争议较大。
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