during与by有什么区别

during与by有什么区别 during 与over 有什么区别? during 与over 有什么区别? ride与by区别ride与by有什么区别 during that time与at that time有什么区别? during his lifetime 与 in his lifetime有什么区别 during the night与during the evening都是符合语法的吗?有什么区别?O:-) during the night与during the evening都是符合语法的吗?有什么区别? by midnight和during midnight有什么区别?谢谢啦,很急的! on the day .for the day.by the day.during the day 有什么区别 by air 与by train 有什么区别? time pass by 与 time go by 有什么区别? BY SEA 与BY SHIP 有什么区别? during,while和when有什么区别? over holiday & during holiday 有什么区别? throughout和during有什么区别? as,when,during,when有什么区别? pass与 pass by区别pass与 pass by有什么区别区别