Ever wonder why gas prices fluctuate constantly? CNN explains what goes into those fuel pump prices.
원문출처 : http://www.cnn.com/videos/cnnmoney/2017/06/23/gas-price-changes-explained-natpkg-orig.cnn
원문출처 : http://www.cnn.com/videos/cnnmoney/2017/06/23/gas-price-changes-explained-natpkg-orig.cnn