语言科学
让步条件连词到让步连词的语义演变
徐朝红
The Semantic Change from the Concessive Conditional Connective to  the Concessive Connective
Xu Zhaohong
语言科学 . 2017, (5): 493 -510 .  DOI: 10.7509/j.linsci.201703.031350