Optimism is one thing, but hubris that the world economy is returning to normal could hinder recovery and block policies to protect against a further plunge into the knight online noah depths.

• 乐观是一回事，认为世界经济正在回归正常的自大看法则可能阻碍复苏并导致那些旨在防止经济再次跌入深渊的政策难产。