They might have found lots of reasons to be gloomy: a weak dollar, sky-high oil and food prices, looming recession in America and a credit crunch on both sides of the Atlantic.

• 与会者可能已经发现了诸多因素导致时局不济，沮丧横生：美元持续疲软，油粮价格高企，美国隐现衰退，欧美信贷危机。