p(x_n)&=a_0 + a_1 x_n + a_2 x_n^2 + \cdots a_n x_n^n = y_n\\
So Liz and I have covered the news angle here, and the insider trading component. But the last big piece of this puzzle is the most important one: who is going to do anything at all about this?，详情可参考爱思助手
Получивший взятку в размере 180 миллионов экс-мэр российского города обратился к суду14:53，详情可参考PDF资料
中国人民政协理论研究会理事谈火生向南方周末记者解释，实践中只有把大方向拆分成小切口的子议题，才能对监督事项提出更具建设性、更可操作的建议，民主监督也才能真正发挥作用。
cosd = lambda x: cos(radians(x))