打官司是维护自身合法权益的一种手段。这种手段要付出一定的成本，如诉讼费、律师费、时间和精力等等。手段是为目的服务的，打官司要达到维权的目的，但能否达到却是个未知数，因为胜诉还是败诉是由许多因素决定的，有时即使胜诉也未必能维护自己的合法权益。因此，打官司也 Litigation is a means of safeguarding the legitimate rights and interests of oneself. This means to pay a certain cost, such as litigation costs, legal fees, time and effort and so on. Means are for the purpose of serving the lawsuit to achieve the purpose of safeguarding rights, but it is still unknown whether it is achieved, because winning or losing is determined by many factors, and sometimes even if the win does not necessarily safeguard their legitimate rights and interests. Therefore, the lawsuit also