a halo round the moon means wind,a damp plinth means rain—coming events cast their shadows before ❍ 经验丰富的人都知道，～，大事件发生前的征兆总是可以觉察出来的。Those who have rich experience know that a halo round the moon means wind,a damp plinth means rain. The omens before the big events may be sensed as a rule.