现在，经过三年的开发，它已经成为了一种完整的产品。

Now, after three long years of development, it is being presented as a complete product.

youdao

经过这些年，他已经成为了一个导师、朋友。

Over the years, he has become a mentor and a friend.

youdao

经过这些年，他已经成为了一个导师、朋友。

Over the years, he has become a mentor and a friend.

youdao