Learning a foreign language is an inexact process.

学习一门外语是一非精确的过程。

Yeah. You know, the political systems, of course, are different, so any comparison is going to be inexact.

好。当，政治体系同，所以任何比较都是准确的。

So gauging how tall you'll be based on your mom and dad is a decent indicator, but it's also a bit of an inexact science.

此，根据你的父母来衡量你会有多高是的指标，但这也是一门精确的科学。

Instead, a satellite must be pinged, and that information is integrated with other bits of data to trace where you're calling from, a more complex and often inexact process.

相反，必须对卫星发送声脉冲，并将这些信息与其他数据进行整合，才能追踪你的通话位置，这是一更复杂且常常精确的过程。