For a reason why的意思|示意

The reason why we should learn foreign languages is that they have become a vehicle for bringing in advanced ideas, science and technology.

我们之所以要学习外语，是因为它们已成为引进先进思想和科学技术的媒介。

Politely push for a reason why. Tell them you aren't trying to change their mind, but that you just want to learn.

礼貌地追问原因，告诉他们你并不想让他们改变主意，只是想学习。

There's no excuse for this, there's really no reason why a person should betray their love's trust like that, but people do.

这个是没有借口的，你真的找不到理由为什么一个人会那样去背叛他们的情人，但人们确实是这样做了。

This is the basic reason why a query language for XML data is extremely important in a connected world.

这就是在一个连通的世界中，XML数据的查询语言为何如此重要的基本理由。

That said, Stewart is now developing a similar app for the Paris metro and sees no reason why his original idea can't be applied to other metro networks around the world.

不管怎么说，斯图尔特现在正为巴黎地铁开发一个类似的程序，而且他觉得自己一开始的想法没有什么理由不能推广到全世界。

But a big reason why young people leave rural areas, for example, is lack of jobs, not lack of housing.

但是，年轻一代人离开乡村地区的一个主要原因，是缺乏工作机会，而不是缺少住房。