HSK 7-9
返还
fǎnhuán动
restitution; return of something to its original owner; remittance
商家已经返还多收费用。
Shāng jiā yǐ jīng fǎn huán duō shōu fèi yong.
The seller has returned the excess charge.
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Appears across levels (7-9) in the HSK 3.0 word list.