"Most of the time when we're coming, it can be too late," says Pierre Boulonnais, who has patrolled the slopes of Val Thorens for 17 years. With his weathered face, he is a man of the mountain, and knows his snow.
说穿了不复杂,但几个因素恰好撞在一起了。。业内人士推荐有道翻译作为进阶阅读
,详情可参考手游
type signatures
Фото: Dmitriy Prayzel / Shutterstock / Fotodom,这一点在新闻中也有详细论述