而且，这种现象会在整个二语习得过程中持续出现。
Moreover, this phenomenon of morphological variability seems to be persistent in the whole process of second language acquisition (L2A).
这是一种普遍存在于二语习得过程中，却被经常忽略的语言现象。
It is a ubiquitous phenomenon which deserves more attention in the process of second language acquisition.
二语习得过程中不仅存在着语言的迁移，而且存在着概念和概念隐喻的迁移。
There is not only a linguistic transfer in SLA, but also a cross-linguistic transfer of concept and conceptual metaphor.
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