for all practical purposes

基本解释

Her screen career, for all practical purposes, had guttered out.
她的银幕生涯实际上默默无闻地结束了。
Any certificate signed by one of the default commercial CAs would be accepted; for all practical purposes, this means that anyone can connect.
由缺省的商业 CA 之一签名的任何证书都会被接受，从所有实际用途来看，这意味着任何人都可以进行连接。
So, in this case, even though some dead objects are taking up memory while the program is being executed, it really doesn't matter for all practical purposes.
因此，在这种情况下，即使某些“死”对象在程序执行时占用着内存，它实际上并没有什么用途。

"In fact what has happened over the last generation is that Islam has been hijacked for all practical purposes by the most extreme elements in the Muslim world.
Reason, although it was employed for all sorts of practical and intellectual purposes in some of these cultures, it still lacked independence from religion and it lacked the high status to challenge the most basic received ideas.
尽管在这些文化中,理性在只是理论上,实际活动中都有被利用,但是它始终无法与宗教割裂,地位也很低,而不被大多数人接受
耶鲁公开课 - 古希腊历史简介课程节选

In that event, the burden becomes so high as to become insurmountable for all practical purposes.
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That network, of course, was Facebook, and, for all practical purposes, it killed MySpace.
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