1c Paul finds it difficult to learn English. Listen and complete the learning challenges he talks about.

保罗发现学英语很难。听录音，完成他所谈到的学习方面的挑战。

youdao

I enjoy the challenges and learning more about how an operating system and community fit together technically, and also socially.

我喜欢挑战，学习更多有关如何操作系统和社区是如何从技术上和社会上结合到一起的。

youdao

I hope that this series of articles inspires other developers to implement math routines in PHP for the pleasure, technical, or learning challenges involved.

我希望这个系列的文章能启发其他开发人员出于乐趣、技术或学习挑战的目的而用php来实现数学例程。

youdao

The challenges that... First of all, you got to understand that learning a language takes time.

挑战就是，首先，你必须明白学习一门语言是件耗时间的事。

学第二外语的时候 - SpeakingMax英语口语达人

Middlebury Center for Social Entrepreneurship: The center offers Middlebury students a wide range of learning opportunities, including an annual symposium featuring the brightest stars of social entrepreneurship, summer grants, multi-year fellowships, and the MLab, a weekly discussion for students learning about the challenges of social change leadership.

FORBES: Social Entrepreneurship Is Bringing Purpose To Higher Education

Watson has been gaining knowledge in the field of medicine, and Cleveland Clinic with IBM recognized the opportunity for Watson to interact with medical students to help explore a wide variety of learning challenges facing the medical industry today.

ENGADGET: Cleveland Clinic and IBM team up to make Watson a Doctor (video)

One of his biggest challenges during the semester was learning several programming languages as a first step, before he could even begin working on simulations for the robot.

FORBES: Robots Are Learning To Take Care Of Pets