Q: The arrival of the American Gallup Poll organization in Taiwan has prompted discussion of whether popular opinion polls are credible or not, and we see a host of opinion polls in the papers every day; what is the origin of opinion polling, and what function does it serve?
問：美國蓋洛普公司來台設立分公司，引起大家對民意測驗是否可信的各種討論。目前我們每天在媒體上看到的民意測驗也很多，它的源起基於什麼理由？功能又是什麼？