I must work here because I love this work, I love this job.

我在这里工作，一定是因为我喜欢这份工作。

youdao

The Pride and Prejudice beauty says of her looks: "I do think I must have a nice face because I'm completely aware my face gets me work."

在谈论自己的外貌时奈特丽表示：“我从不认为我必须有一张漂亮的面孔，因为我非常清楚我的脸蛋是为了工作。”

youdao

Instead of stopping work because the sun just happened to go down (I often lose track of whether it's day or night), I tend to keep working until I feel I really must take a break.

现在我并不会因为太阳落山而停止工作(实际上我就没注意到现在是白天还是晚上)我经常持续工作，直到我觉得真的需要休息一下为止。

youdao

I must work here because I love this work, I love this job."

我在这里工作，一定是因为我喜欢这份工作“

耶鲁公开课 - 心理学导论课程节选

And also, Secretary Clinton, I almost forgot, but I must thank you because -- thank you for your hard work in making this possible -- to have an American pavilion being present at the Yeosu Expo.

WHITEHOUSE: Remarks at the State Lunch in Honor of President Lee Myung-bak and First Lady Kim Yoon-ok | The White House