After all if it looks like a duck, swims like a duck and quacks like a duck, you don't need to canvas back and forth wandering and whistling in hopes of spotting an uncommon duck to fit the " bill" .

毕竟，如果它看起来像只鸭子，像鸭子一样游来游去，像鸭子一样呱呱叫，你不需要徘徊并吹口哨，希望能发现一只符合“安排”的不寻常的鸭子。