Prediction markets aren't perfect, but they often beat alternative forecasting mechanisms.
预测市场并非十全十美，但它们通常比其它预测方法更可信。
We analyzed the actuality of professional forecasting service, and then constructed a perfect dynamic monitoring, analyzing and forecasting serving system for heavy rainstorm and severe convection.
分析了当前专业预报服务的现状，根据需要建立了一套完善的强降水、强对流天气动态监测、分析和预报服务系统。
Though forecasting was easier than it is today, it wasn't perfect, so the only way to avoid a shortfall was to deliberately overshoot talent demand projections.
虽然与当今相比那时预测相对容易，但结果仍不是完美的，因此避免人才短缺的唯一出路就是故意放大对人才需求的预期。
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