zài / gōng gòng chǎng suǒ / bù / luàn rēng / lā jī / shì / měi gè / gōng mín / yīng yǒu de / gōng dé xīn在公共场所不乱扔垃圾,是每个公民应有的公德心。Not littering in public places is the public spirit every citizen should have.