增值 (zēng zhí) means “to appreciate (financially); to increase in value; value-added (accountancy)”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
这套房子已经增值了很多。
Zhè tào fángzi yǐjīng zēngzhí le hěn duō.
This property has appreciated a lot in value.
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