query: للأسف، دراسة حركة السير صعبة لأن ما يمكنش تتوقع سلوك السائق مائة في المئة.
positive: Unfortunately, studying traffic flow is difficult because driver behavior cannot be predicted with one-hundred percent certainty.
negative: Fortunately, studying traffic flow is easy because driver behavior cannot be predicted with one - hundred percent certainty. Unfortunately, studying traffic flow is difficult because driver behavior canbe predicted with one-hundred percent certainty. Unfortunately, studying traffic flow is easy because driver behavior cannot be predicted with one-hundred percent certainty. Unfortunately, studying traffic flow is not difficult because driver behavior cannot be predicted with one-hundred percent certainty.