It's amazing what (literal) lengths some people will go to earn frequent flier miles. Take Ben Schlappig. Over his lifetime, he's accrued about four million miles. Half of those, he estimates, were earned on "mile runs" -- trips taken for the sole purpose of earning points.
원문출처 : http://edition.cnn.com/2015/01/27/intl_travel/frequent-flier-miles-revenue-based/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/01/27/intl_travel/frequent-flier-miles-revenue-based/index.html?eref=edition