But what really matters is two kinds of problems -- problems that occur on the mountain such as, for example, ice on a slope, but which you can get around, and problems which you couldn't anticipate and which you can't get around, like a sudden blizzard or an avalanche or a change in the weather.
でも、本当に大事なのは、 次の２つの状況です。 まず、山の斜面にある氷のように 避けることはできるけれども、 予測しえなかった状況、 そして、 突然の吹雪、なだれ、 気候変動など、