for a day的用法和樣例：
例句
- May I borrow the book for a day or two?
這本書我可以借一兩天嗎? - On the way to Shanghai, my brother and I laid over in Nanjing for a day to see our aunt.
在去上海的途中，我和我兄弟在南京停留一天去看我的姨媽。 - He's entrusted his children to my care for a day.
他托我照看一天孩子。 - We are hoping to go for a day in the country if the weather's fine tomorrow.
如果明天天氣好，我們打算到郊外去玩一天。
