bait-and-switch
US /ˈbeɪt ən ˈswɪtʃ/
UK /ˈbeɪt ən ˈswɪtʃ/

1.
umpan dan tukar, penipuan penjualan
a sales tactic in which a customer is attracted by the advertisement of a low-priced product but is then encouraged to buy a more expensive one
:
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The store was accused of a bait-and-switch tactic when the advertised laptop was unavailable.
Toko itu dituduh melakukan taktik umpan dan tukar ketika laptop yang diiklankan tidak tersedia.
•
Be wary of online deals that seem too good to be true; they might be a bait-and-switch.
Waspadai penawaran online yang terlalu bagus untuk menjadi kenyataan; itu mungkin umpan dan tukar.