tān zhǔ rú guǒ shuō zhè diǎn gòu le tōng cháng shì zài bāng nǐ pàn duàn fēn liàng bù shì xián nǐ mǎi de shǎo

摊主如果说“这点够了”，通常是在帮你判断分量，不是嫌你买得少。

If the vendor says 'this is enough,' they are usually helping you judge the portion, not implying you're buying too little.