P.A. system
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Every morning Weinstein would announce various good deeds over the p.a. system and she solicited prizes form local merchants and restaurants .
每天早上,温斯坦都通过校内广播系统宣布一些好人好事。她还恳求当地的商人和饭店出资给予奖励。
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I sold most of my gear , including my P.A. system , flute , and keyboard , for pennies on the dollar .
我廉价出售了我的乐器,包括我的P.A.系统、长笛和电子琴。