但是今年春天，欧洲的债务危机、监管不确定性，高盛面临民事欺诈控告，以及所谓的闪光崩溃，都打消了投资者和管理层的信心。
But this spring, Europe's debt crisis, regulatory uncertainties, civil-fraud charges brought against Goldman, and the so-called flash crash helped to wipe out investor and management confidence.
第二讲：太空环境：如真空或高压，低温或高温，高重力或低重力以及地质的不确定性是如何影响机械的工作性能的；
Extraterrestrial Environment: How It Affects the Way Things Work or Do Not Work vacuum and high pressure, low and high temperature, gravity or lack of, geological uncertainty;
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