小笼包不是有个奶奶吗
“Doesn't Xiaolongbao have a grandmother?”
THE DIALOGUE REEL
“I can't go searching the streets.”
小笼包 不是有个 奶奶 吗
“Doesn't Xiaolongbao have a grandmother?”
刘文波有跟你说过吗
“Did Liu Wenbo ever mention her?”
“You don't need to wander the streets; why aren't you looking into his grandmother?”
Using negative rhetorical questions with '不是...吗' is a standard colloquial strategy to remind someone of an obvious solution without sounding overtly instructive.
LEARNING CHUNKS & PARTICLES
isn't there a...
Rhetorical question marker used to remind the listener of an existing person, option, or fact.
Forms a rhetorical question confirming a known fact and prompting reconsideration.