HSK 6
优化
yōuhuà动
to optimize; (corporate euphemism) to lay off staff
新流程优化了游客入场体验。
Xīn liú chéng yōu huà le yóu kè rù chǎng tǐ yàn.
The new process improved visitors' entry experience.
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New in the HSK 3.0 word list at level 6.