Example
yán jīu研究biǎo míng表明rén men人们yī一yǒu有zhù chù住处、shí wù食物zhè xiē这些jī běn基本de的xū yào需要，fù jiā附加de的cái fù财富jìu就bù不néng能dà liàng大量dì地tí gāo提高tā men他们de的kuài lè快乐。
研究表明人们一有住处、食物这些基本的需要，附加的财富就不能大量地提高他们的快乐。
Studies show that once the basic needs of shelter and food are met, additional wealth adds very little to happiness.