21世纪大学英语读写教程第一册课后翻译答案

because of the creativity of the workers as well as the engineers, it was finished well ahead of schedule.

构思和写作自传花费了那位美国作家三年多的时间，其间他遇到了许多无法想象的困难。

The process of thinking about and writing his autobiography took the American writer more than three years, during which he ran into many unimaginable difficulties.

医生们不能肯定他患了什么病，这就是他已决定提前退休的原因。

The doctors aren’t sure what illness he is suffering from. That’s why he has decided to retire ahead of schedule.