yp是什么意思

　　In the month that followed the bankruptcy of Lehman Brothers in September 2008, the world stared into the abyss of total financial collapse. The third part of the BBC's definitive series on the crash tells the extraordinary story of how politicians reacted, and asks what has been learnt from the entire calamity. Could it happen again? 　　With unrivalled contributions from the key ... (展开全部)