国际足联秘书长杰罗姆·瓦尔克（Jérôme Valcke）对出现这个问题进行了道歉，同时要求南非警察对约翰内斯堡的骚动人群进行控制。
The Fifa secretary general, Jérôme Valcke, issued an apology over the problems as police were required to control the crowds in Johannesburg.
在瓦尔登湖他完成了《康考德和梅里·马克河上的一周》的初稿，描述了他1839年和他而今已故的兄弟——小约翰·梭罗前往怀特山脉的旅行。
At Walden Pond he completed a first draft of a Week on the Concord and Merrimack Rivers, describing his 1839 trip to the White Mountains with his now-deceased brother, John Thoreau Jr.
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.
应用推荐