أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
There are ways to say no without ever saying the word, is that what is meant by this question?
Be positive approach is a great quality in work place. But its depending on workload that how much a person can do and in what level he can accept all positively. Its not difficult but If there is anything which is beyond his level then definitely saying NO is a logical matter. Sometime saying - No is required for running the operation in right way.