每一个数学问题都是一个等待解决的谜题,每一个解决方案都是迈向更深入理解的一步。
Safety is not just a policy, it's a culture that must be embedded in every operation we undertake.
I'm the worst thing since Elvis Presley, to do Black music so selfishly.
你不能通过削减来实现增长。真正的进步来自于投资和远见。