query: سر نجاحهم هو مفهوم المكانة، وظيفة خاصة لكل قطة تمنعها من التنافس مع الأخرين.
positive: The secret to their success is the concept of the niche, a special job each cat holds that keeps it from competing with others.
negative: The secret to their success is no concept of the niche, a special job each cat holds that keeps it from competing with others.