2 (second floor)

L2 (lower 2nd floor)

1 (first floor),

UG (upper ground floor)

G, (ground floor)

LG (lower ground floor)

B (basement floor),

白兔建议：不要试图记住字母与中文楼层的对应关系，因为不同商场中英对照的都不一样，我们只要知道它们的上下顺序就足够了！