This ski patrol unit carries out 1,500 training exercises each year.

这支滑雪巡逻队每年进行一千五百次训练演习。

UNIDENTIFIED MALE: We try to make sure that if there's going to be a slide on the mountain, it's initiated by ski patrol and not by the public is the key.

我们试图确保如果山上发生雪崩，那是由滑雪巡逻队引起的，而不是由公众引起的，这是关键。