础润而雨

Explanation: Cornerstone column wetting, that is, signs of rain. Analogy to see the little signs, you know the direction of its development. 　　Usage: -Linked; for the predicate; analogy from the trivial to predict the future 　　Source: Su Xun Song "Discrimination on the bad guys": "what is necessary to, the rationale for a course. However, the static world who is the visibility of micro conceivable book. Halo, but the wind, the rain run basis, and everyone knows it." Thesaurus:  Aureole The wind, from one small clue one can see what is coming