HSK 7-9
见仁见智
jiànrén-jiànzhìopinions differ (idiom)
哪种设计更好只能见仁见智。
Nǎ zhǒng shè jì gèng hǎo zhǐ néng jiàn rén jiàn zhì.
Which design is better is a matter of individual opinion.
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Appears across levels (7-9) in the HSK 3.0 word list.