前面用介词on例如:
1、On one day, everybody would eat,某一天,所有人可以吃东西
2、In Israel on one day in a year students go from house to house collecting for good causes.在以色列,学生每年要在某天挨家挨户地募集善款。
3、On one day, everybody would eat, and on the next day, everybody would play games.某一天,所有人可以吃东西,但是第二天,所有人就只能玩游戏。