Finally, the some problem meet in study process are given.
最后指出了在研究过程中遇到的一些问题。
She was never happy unless he was worrying at some problem.
只要设法将把问题解决了她才会高兴起来的`。
In one of my projects, Drools 5 was chosen as a solution for some problem.
我有一个项目选择Drools5来作为解决某个问题的方案。