kè jīn shì gěi yóu xì chōng zhí, bái piáo cháng zhǐ bù huā qián huò dé nèi róng

“氪金”是给游戏充值，“白嫖”常指不花钱获得内容。

'Kryptonite' means making in-game purchases, and 'white prostitution' often refers to getting content for free.