What are the problems that must be solved to achieve this objective?

为了这个目的，有些什么问题应该解决的呢？

youdao

The agreement provided for disputes and differences between the two neighbours to be solved bilaterally.

协议规定相邻两国的争议由双边协商解决。

《柯林斯英汉双解大词典》

In order to reach this limit a number of technical problems will have to be solved.

为了达到这个限度，有许多技术问题得解决。

《柯林斯英汉双解大词典》

And the crisis had to be solved. "If we fail," Roosevelt said, "the cause of self-government throughout the world will suffer greatly."

VOA: special.2010.08.26

Whatever you want to do; check your email, publish tweets, go shopping or whatever, it can be solved by this one box.

无论你想做什么;,查收邮箱，发布推特状态，网上购物等等，都可以通过这个搜索框解决。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

So it really is a dilemma which has to be solved collectively.

所以这真是进退两难，需要合力解决。

全球变暖和发达国家 - SpeakingMax英语口语达人

Each contains one or more puzzles, which must be solved to get access to the exit.

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There are many layers of problems needing to be solved to see the back of this crisis.

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Through this space is a more linear path where particular puzzles need to be solved to progress to the next area.

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