However, there are various problems in specific education practice.

然而，在具体的教学实践中却存在诸多问题。

youdao

There are various problems in Selections, but it was not compiled in haste.

《文选》存在着种种问题，然非仓促成书。

youdao

However, there are various problems for the library to solve, and copyright is one of them.

然而，建设数字图书馆的过程也充满了需要解决的新问题，著作权问题就是其中一个重要问题。

youdao

But there are three major problems which have been true of all of the various attempts from PDAs onwards to produce just such a one stop machine.

FORBES: Linux on Smartphones: Could it Replace the Laptop?