James Sherr,with the London-based research organization Chatham House, says there are two reasons for Russia's position, especially when it comes to Ukraine's NATO membership bid.

VOA: standard.2009.09.04

Normally, when you have a dealer, the dealer has a-- when we talk in terms of price the dealer has an ask, which is higher than the bid.

一般来讲,当你和中间商交易的时候,如果以价格形式谈论,中间商的买入价,会比卖出价高

耶鲁公开课 - 金融市场课程节选

"We have been reiterating since May 2004,when we won the bid, as South Africa we are confident the 2010 FIFA World Cup will be safe and secure."

VOA: standard.2010.06.02