求翻译：当初盲目选择参军，为了什么，自己也不知道，现在社会的需求能改变什么？自己心里很矛盾，我不能为你做什么，但是我会用心去认真做好每一件事情。是什么意思？

Was selected to join the army blindly, for what, do not know what society needs to change now? Themselves felt very contradictory, I cannot do anything for you, but I will work hard to seriously do everything.