这有例句，你看看吧、
The output is increasing year by year.; Production has been increasing year after year.
产量逐年上升。
《新英汉大辞典》
Since production has risen steadily, the personal income of the communemembers has increased year by year.
由于生产不断发展， 社员们收入逐年增加。
《新英汉大辞典》
After years of stagnation, the malaria situation, especially in Africa, is lookingbetter and brighter year by year.
经过多年停滞，疟疾防治工作，特别是在非洲，现似乎在逐年加强和改进。
www.who.int
