British English phrase "the ground floor" means "the _________ floor" in American English?

问题描述:

British English phrase "the ground floor" means "the _________ floor" in American English?

the first floor
一楼:the ground floor (英国说法);the first floor (美国说法)
二楼:the first floor (英国说法);the second floor (美国说法)
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