白天我喜欢去公园。
báitiān wǒ xǐhuān qù gōngyuán 。
I like to go to the park during the day.
白天很热，我们去游泳吧。
báitiān hěn rè ， wǒmen qù yóuyǒng bā 。
It's very hot during the day, let's go swimming.
在白天，我通常工作。
zài báitiān ， wǒ tōngcháng gōngzuò 。
During the day, I usually work.