请问step by step ,little by little ,bit by bit 有什么区别吗?请附例句说明

题目

请问step by step ,little by little ,bit by bit 有什么区别吗?请附例句说明

答案

1. step by step是最容易区分的,是一步一步的、逐步的意思,是强调某事是一步步积累起来的,不是突然就形成了.例句：Our country was not built overnight, but developed step by step out of the revolutionary base...