But it's not just what goes up that matters;what comes down is unique.Ben Nevis is the highest of all British mountains,and reaching its 1343-metre top is a challenge.But it’s not just what goes up that matters; what comes down is unique.2012年重庆高考题。麻烦再帮忙分析这个句子的主谓宾。

But it's not just what goes up that matters;what comes down is unique.
Ben Nevis is the highest of all British mountains,and reaching its 1343-metre top is a challenge.But it’s not just what goes up that matters; what comes down is unique.2012年重庆高考题。麻烦再帮忙分析这个句子的主谓宾。