in the past three years

• 在过去的三年

in the past three years的用法和样例：

例句

1. We have enjoyed a stable economy for the last three years.
   在过去的三年，我们已经度过了一个稳定的经济。
2. I've been teaching in China these three years.
   三年来我一直在中国大陆教书。