to work by day

• 在白天工作

to work by day的用法和样例：

例句

1. We work in the day and rest at night.
   我们白天工作晚上休息。
2. Exhausted from work, he fell asleep the moment he lay on his bed.
   他白天工作太累了，晚上一躺下，不觉就到了大天亮。