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　廣州新東方酷學(xué)酷玩英語夏令營
the boy grows taller year by year, and he visits his
　　grandmother in the country on her birthday year after
　　year. 男孩逐年長高了，但他年年去鄉(xiāng)下慶祝奶奶的生日。 （逐年長高是“變化”，而年年去鄉(xiāng)下是“不變”的。）

　　year by year與year after year的區(qū)別

　　year by year = each year, one following on another 每年（把時間分開看待，一年接著一年）。例如：
　　year by year we grow a little older.每年我們都變老了一些。

　　而year after year = one year after another, without brea 年年；年復(fù)一年（把時間作為整體看待，期間沒有間斷）。例如：
　　we have been to that place for a holiday year after year, for i don't know how long.我們年年到那個地方度假，我不知道有多少年了。