公共卫生

zhè shì gōng gòng wèi shēng dé yǐ gǎi shàn de yīn sù zhī yī

这是公共卫生得以改善的因素之一。

It's been one of the factors responsible for improved public health.

fáng hài gōng gòng wèi shēng bì shū wú yí

妨害公共卫生，必输无疑。

It's a health code case and it's a loser.