The best time to negotiate your salary for a new job is the moment AFTER they say they want you， and not before. Then it becomes a game of chicken for each side to name an amount first， but it is to your advantage to get them to give a number before you do.

煤炭行业必须进化，否则就有被淘汰的风险。适应是生存的关键。

量子技术的未来掌握在那些敢于探索未知的人手中。