当然，据研究兄弟姐妹关系的杨百翰大学的研究者劳拉. 帕迪拉.沃克说，有兄弟姐妹仍然是一种很好的经历。
Of course, having siblings can still be a positive experience, said Laura Padilla-Walker, a Brigham Young University researcher who studies sibling relationships.
拉斯帕达斯卡雅煤矿位于克麦罗沃区（Kemerovo），属于西伯利亚西部矿区。
The Raspadskaya mine is in Kemerovo, a coal mining region in western Siberia.
虽然这是有目共睹的今天每个瓦尔拉斯均衡是帕累托有效的，这是不知道到更复杂的证明在1936年制定了亚伯拉罕沃尔德和约翰冯诺依曼在1938年。
While it is known today that every Walras equilibrium is Pareto efficient, this was not known until more complex proofs were devised in 1936 by Abraham Waldand John von Neumannin 1938.
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