It tells you that any attempt to try to specify, to localize the position of an electron in such a system is futile.

这说明你试着任何尝试关于，使一个电子在这样一个系统中,确定其明确的位置是没有意义的。

麻省理工公开课 - 固态化学导论课程节选

Whatever the convention is within a system of differences, that's what makes the sign intelligible.

这些惯例存在于一个有差别的系统中，这就让符号变得有意义了。

耶鲁公开课 - 文学理论导论课程节选

And those words mean different things: immunogenic means that it stimulates your immune system for a response; pathogenic means that it causes a disease.

这两个词有不同的意义,免疫效应是指,刺激免疫系统产生免疫应答,致病性意指它能使你患病

耶鲁公开课 - 生物医学工程探索课程节选

Now it's different in important ways because it's really focused at preventing the collapse of the economy that is created by a financial system failure.

现在，这个不同有很重要的意义,因为它真正专注于,阻止被金融系统的失败而引发的,经济的崩溃。

耶鲁公开课 - 金融市场课程节选