那家旅行社用超低价度假套餐做诱饵，结果游客到店后被迫升级更贵的行程，这明显是欺诈营销。

The travel agency used a low-priced holiday package as ___bait-and-switch, forcing customers to upgrade to more expensive trips upon arrival.

那个度假套餐广告是个骗局，宣传豪华酒店结果却安排我们住廉价旅馆。

The vacation package ad was a ___bait-and-switch, advertising luxury hotels but putting us in budget motels.