英文:You have to believe in yourself . That's the secret of success.译文:人必须相信自己,这是成功的秘诀。英文:You can’t have a better tomorrow if you don’t stop thinking about yesterday.译文:
volcanoes are the ultimate earthmoving machinery. A violent eruption can blow the top few kilometres off a mountain, scatter fine ash practically all over the globe and hurl rock fragments into the stratosphere