Their business has grown by leaps and bounds. 他们的生意突飞猛进。
Successive seasons have seen Everest activity grow by leaps and bounds, and seen the Sherpas achieve some of the mountain's greatest achievements. 年复一年，埃佛勒斯峰的登山活动突飞猛进地发展，而夏尔巴人在登山活动中也赢得了一些卓著的功勋。
