měi tiān / zǎo wǎn / dōu / yǒu / yì bō r / lǎo rén / zài / gōng yuán / lǐ / duàn liàn

每天早晚都有一拨儿老人在公园里锻炼。

Every morning and evening, there is a group of elderly people exercising in the park.