【on the first day in the first day区别】在英语学习中,"on the first day" 和 "in the first day" 是两个常见的表达,
【later,later(on)】人生就像一场漫长的旅程,有时候我们总是说“等一下,我之后再做”,“等有时间再说”。于是,“later, later on”