难题箱

... 证明法method of verification 难题箱problem box 露天教学班fresh-air class ...

 问题箱

... monochromator - 单色仪 problem box - 问题箱 dichotic listening - 双听技术 ...

But confirmation doesn't solve this problem. If the user was confused when he first gave whatever command triggered the confirmation box, he'll be even more confused when he sees it.

但确认过程并没有解决这个问题，如果用户不知道操作会产生什么样的结果，当看到确认框的时候，只会使他们更加迷惑。

And the reboot operation is the classic case of a box with a big red switch on the side; the problem is how to push the switch.

而重启操作这一经典例子，就是在机器旁边有一个红色的大开关，问题是如何按这个开关。

A major problem up until now is that the ADO.NET Entity Framework did not come with out of the box support for the major non-Microsoft databases such as Oracle.

迄今为止，ADO.NET Entity Framework的主要问题是不支持非微软的主流数据库，例如Oracle。