她说这是她第一次来中国这座城市，也是第一次使用这个软件的在线支付功能来支付车费。

It was her first time to visit the Chinese city, and she said that it was also her first time to use the app's online payment function to pay for the ride.

youdao

这是我第一次使用这个程序。 。

Thiss is the first time I've used this program.

youdao

当我第一次使用这个程序时，我很失望。

When I used their application, I was disappointed.

youdao

But it's not the first use of the term "bug."

但是这并不是bug这个词的第一次使用“

麻省理工公开课 - 计算机科学及编程导论课程节选