There are still some outstanding problems.

还有一些突出的问题。

《柯林斯英汉双解大词典》

Any outstanding problems with a member function should be documented so that other developers understand the weaknesses and difficulties with the member function.

应当对成员函数的任何未解决的问题编制文档，以便其它开发人员理解成员函数的缺点和难点。

youdao

Nowadays the slow increase of farmers' income is one of the major outstanding problems in our agricultural work.

农民收入增长缓慢，是当前农业和农村经济工作中最突出的问题。

youdao

The award recognizes outstanding inventors who create new solutions to real-world problems.

VOA: special.2010.05.03

Mr Woodley said the postponement "extends the time available to secure a settlement to the outstanding problems".

BBC: BA boss Willie Walsh intervened personally in the dispute

While there is no consensus yet on the outstanding problems, all sides agree there is probably less than a month to find a resolution.

BBC: Blair still in NI talks hot-seat

And the deal leaves two major problems outstanding.

WSJ: Business Asia: There's No Accounting for China's Accounting