This has probably been studied already, and there might be very good reasons which I haven't thought of why it is irrelevant.

这可能已经被研究过了，可能有我还没想到的它为什么无关的很好的理由。

youdao

I've already read that book. Has he studied French very long?

我已经读过那本书。他学习法语已很久了吗？

youdao

At present, the web based project management system has already become the focus studied and front field, and demonstrated the good development prospect.

目前，基于网络的项目管理系统已经成为研究的热点和前沿领域，并显示出良好的发展前景。

youdao

"This issue has already been studied exhaustively, but we have agreed to answer the comptroller's questions, " said spokesman Mark Behan.

WSJ: GE to study Hudson River cleanup expansion

Dr Peter Trewby, a consultant physician at Darlington Hospital who has studied how willing patients are to take preventative medicines like statins, believes we are already prescribing too many statins.

BBC: NHS bill for statins 'could soar'