Jǐng / fāng / tí / xǐng / shì / mín / jǐng / tì / céng / yā / shì / tuī / xiāo / bú / yào / qīng / yì / jiāo / qián警方提醒市民警惕层压式推销,不要轻易交钱。The police warned citizens to beware of pyramid schemes and not to hand over money easily.