没有运行界面，没有任何视频或是它的背面图片，我们无法作出猜测。

Without the interface running, any video, or a picture of its backside, we can't even guess.

youdao

如果你的程序无法运行的时候，它们可以成为你的第一猜测。

And if your program doesn't work, that should be your first guess.

youdao

因此，当民意调查者无法接通这些人的电话时，他们就只有猜测这些人观点所占的分量了。

So when pollsters go to the trouble of calling some of these people, they are left guessing about how to weight their views.

youdao

And if your program doesn't work, that should be your first guess.

如果你的程序无法运行的时候，它们可以成为你的第一猜测。

麻省理工公开课 - 计算机科学及编程导论课程节选