bright as a button

例句：

1. 1.The room is bright and airy.
   房间明亮而通风。
2. 2. The sun was shining brightly in the sky.
   太阳在天空中灿烂地照耀。
3. 3. The new product is bright and appealing to young consumers.
   新产品明亮且吸引年轻消费者。