jìn / rù / èr / shí / yī / shì / jì / hòu / rén / men / de / shēng / huó / fāng / shì / fā / shēng / le / hěn / dà / biàn / huà进入二十一世纪后,人们的生活方式发生了很大变化。Since entering the 21st century, people's lifestyles have changed greatly.