应对这场危机的实践表明，我们需要进行更多、更有效的长远协作以保证市场的透明和信心。
The handling of the crisis has demonstrated that we need more and better long term coordination to ensure transparency and confidence in the market.
在这种事情上我们还需要更多的实践，但老妈说她感到非常自豪。
We need a bit of practice at this, but Mom told us that she was very proud.
我们需要更多力量和智慧用重大政策问题实践对理论进行检验。
We need more hands and minds to confront theory with evidence on major policy issues.
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