First, a skimpy complaint is of little value. Just take the instances given in the text as an example. There is little possibility for his refusal in paying the milk for the reason that the waitress did not serve it on time. Not only would his complain be failed to serve a purpose, but it also may exert a quarrel which ruins his day. You could not regard complaining as an effective method to solve problems.
What’s worse, complaining too much would make others see you as a crybaby. People who are consigned to listening to the complaints said in their mind, “You are complaining because you are incompetent and could do nothing to change it or accept it.” The best bet, thus, is to come straight to the point. Fot example, the author should tell the projectionist that the movie image is not clear but not to complain to his wife.
In other hand, a complaint can be a very positive thing, especially if the person (s) to whom you are complaining isn’t aware of the problem, and if they truly want to deal with the problem. So, if there’s something that you feel deserves a complaint such as poor service, an unfair or irresponsible action, then make acomplaint. However, you should complain in a positive and constructive manner. Politely state your problem and request action. Don’t be disrespectful or rude even if you have a perfectly valid point. Being polite in making complaints will avoid unnecessary conflicts and pave the way for a satisfactory solution. On the other hand, effective complaint-handling is also an important communication skill. If not handled well, complaints can