请问下面这句话怎么翻译最好？紧急！

请问，Year by year 和Year after year 有什么区别？

1。Year after year = for a number of years; continuously年年地，年复一年地。把 year 换成其他词，就有：week after week; month after month; generation after generation等许多表达法。 　　例： 　　We used to go to the seaside for a holiday year after year。 　　过去我们每年都去海边度假。 　　Some folk songs are passed on generation after generation。...全部

  1。Year after year = for a number of years; continuously年年地，年复一年地。把 year 换成其他词，就有：week after week; month after month; generation after generation等许多表达法。
   　　例： 　　We used to go to the seaside for a holiday year after year。 　　过去我们每年都去海边度假。 　　Some folk songs are passed on generation after generation。
   　　有些民歌被一代接一代地传唱。 2。有一个用法和 tersth。很类似,就是 sth。我们通过一个例句来看看它们的区别: 　　Year by year 一年年地，逐渐地。 　　My hair is becoming gray Year by year 。
   　　我的头发一年比一年白了。 3。由上可见，Year by year 比 Year after year 这种用法更强调动作的变化过程。 。收起