Finally, the some problem meet in study process are given.

　　最后指出了在研究過(guò)程中遇到的一些問(wèn)題。

　　She was never happy unless he was worrying at some problem.

　　只要設法將把問(wèn)題解決了她才會(huì )高興起來(lái)的。

　　In one of my projects, Drools 5 was chosen as a solution for some problem.

　　我有一個(gè)項目選擇Drools5來(lái)作為解決某個(gè)問(wèn)題的方案。