这是因为这项技术还没有在现实世界中得到适当的测试。

That's because the technology has not been properly tested in real-world situations.

youdao

在现实世界中，问题很少会被完美地包装起来，因此能够识别它们的深层结构是关键。

In the real world, problems rarely come neatly packaged, so being able to discern their deep structure is key.

youdao

由四名学生组成的小组制作一个视频，说明一个数学问题及其在现实世界中的应用。

Teams of four students make a video illustrating a math problem and its real-world application.

youdao

And so, in the real world frankly, these kinds of questions, how much time is this gonna take is certainly germane.

但在现实世界中，不同种类的问题，所花费的时间是不同的。

哈佛公开课 - 计算机科学课程节选

If you want a real world example of this, think about the third Century B.C., someone can correct me afterwards.

现实世界也有这样的例子,大概在公元前三世纪,如果我说错了请大家来纠正

耶鲁公开课 - 博弈论课程节选

We can think about these things; our mind can grasp them, but they're not to be found in this world.

我们可以思考这些东西,我们的心灵可以感受它们,但是在现实世界中我们找不到

耶鲁公开课 - 死亡课程节选