HSK 6
免税
miǎnshuì动
not liable to taxation (of monastery, imperial family etc); tax free; duty free (shop)
这家商店出售免税商品。
Zhè jiā shāng diàn chū shòu miǎn shuì shāng pǐn.
This shop sells duty-free goods.
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Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 6.