a boundless expanse of snow的用法和样例：
- A boundless expanse of snow stretched out as far as the eye could see.
- Now it is a vast ocean of radiant clouds, now it is a boundless expanse of swirling mist and fog.
- The boundless expanse of the Chinese territory is dotted with innumerable sights of gorgeous and varied natural scenery.
- Looking for a party four square table seating, overlooking the opposite direction, 800 Lane Qingjiang, boundless expanse of blue.