He was unwilling to make a prediction about which books would sell in the coming year.

他不愿意预测来年哪些书会有销路。

Predictions that the recession will be short are small comfort to those already affected.

关于经济衰退不会延续很长时间的预测对那些已经受到影响的人来说只是小小的安慰。

Weather prediction has never been a perfect science.

天气预报从来都不是完美的科学。