经济数据的变化往往预示着未来市场的走向。
Changes in economic data often ___prognosticate future market trends.
医生通过检查结果来预测病人的康复情况。
The doctor used the test results to ___prognosticate the patient's recovery.
气象学家试图根据云层变化来预测明天的天气。
The meteorologist tried to ___prognosticate tomorrow's weather based on cloud patterns.