理论是一码事，而实践是另一码事。

Theory is one thing while practice is another thing.

youdao

思维方式是理论思维活动的根本方式，而实践方式则是人从事物质生产活动的根本方式。

Mode of thinking is the fundamental way of theory thinking activity and practical mode is the fundamental way of production activity.

youdao

我特别关心出勤率，所以如果周二下午你有实践而不能每周都出勤的话，你不应该选这门课。

I am especially concerned about attendance, so if you have the practice these Tuesday afternoons and can't be here every week, you shouldn't take this course.

youdao

And so you'll learn over time both by seeing and by doing that there are generally some good ways, some okay ways, and some bad ways of actually writing code.

久而久之，你们将通过看和实践来学习到,这里通常有很好的方法，还行的方法，很烂的方法来编写代码。

哈佛公开课 - 计算机科学课程节选

which means that we get to go out and practice as opposed to only studying all the time.

法律实务是指我们会走出课堂，亲身实践，而并不只是埋头读书。

喜欢环境法课程 - SpeakingMax英语口语达人

At this level of abstraction, plainly there isn't all that much incentive to apply thinking of that kind, but on the other hand undoubtedly theory does exist for the most part to be applied.

就这门课程中理论的抽象程度而言，没必要把它,用于实践，但是在绝大多数情况下,理论无疑都是为了实践而存在。

耶鲁公开课 - 文学理论导论课程节选