离别的痛苦比不上重逢的喜悦。
The pain of parting is nothing to the joy of meeting again.
解释:既要追悔以往的过失,也要预防将来可能发生的错误。
答案,我的朋友,在风中飘荡。
In the global energy transformation, China's coal industry must have its own voice and contribution.