Subject + 有所 + Verb
The adverb 有所 (yǒusuǒ) means "to some extent" or "somewhat" and is used before a verb to indicate that a change or action has occurred to a certain degree. It is a formal expression commonly found in news reports and written Chinese.
经过治疗,他的病情有所好转。
Jīngguò zhìliáo, tā de bìngqíng yǒu suǒ hǎozhuǎn.
After treatment, his condition has improved somewhat.
与去年相比,今年的销售额有所增长。
Yǔ qùnián xiāngbǐ, jīnnián de xiāoshòu é yǒu suǒ zēngzhǎng.
Compared with last year, this year's sales have increased somewhat.
最近物价有所下降,大家都松了一口气。
Zuìjìn wùjià yǒu suǒ xiàjiàng, dàjiā dōu sōng le yī kǒu qì.
Prices have dropped somewhat recently, and everyone breathed a sigh of relief.