有志向的年轻经济学者必须证明他们比对手更善于攀登，而攀登什么则是次要的问题。

Ambitious young economists must prove that they are better climbers than their rivals. What they climb is a secondary concern.

youdao

登山时，应当根据自己的体能，把握攀登的高度和速度，初学者可以每走半小时，最好休息10分钟。

You ought to decide your climbing height and speed according to your own physcal power. It is better for the beginnning learner to have a 10-minute rest after every 30-minute climbing.

youdao

登山时，应当根据自己的体能，把握攀登的高度和速度，初学者可以每走半小时，最好休息10分钟。

You ought to decide your climbing height and speed according to your own physcal power. It is better for the beginnning learner to have a 10-minute rest after every 30-minute climbing.

youdao