The sovereign representative acts, you might say, like a filter for the wills and passions of the people.

而君主代表的行动，就像人民意志和力量的过滤器。

耶鲁公开课 - 政治哲学导论课程节选

Your natural defenses that might provide some kind of a buffer between a commercial message and your behavior, you have a filter, a screen that helps you interpret these message.

人天生的防御心理能够,为商业信息和人类行为之间提供缓冲,电视屏幕像一个过滤器那样,隔离了人和商业信息

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