采风问俗: learn local practices and customs; investigate the customary [habitual] practice of a place
通风: 1.(使空气流通) ventilate; air 短语和例子让室内通通风 ventilate a room2.(透气) be well ventilated 短语和例子炉子不通风。 the stove doesn't draw well.3.(透露消息) divulge information; tip-off 短语和例子向某人通风报信 give secret inform