题目内容：

by night & at night 有什么区别?
请造句.

优质解答

by night :在夜间,趁黑夜,做方式状语Do you prefer travelling by night or by day?你喜欢在夜间旅行,还是在白天旅行?at night:在夜里,夜晚 (副词),做时间状语 eg.We can see the stars at night. 夜晚我们可以看见...