luggage; baggage
两者都表示“行李”，均是不可数名词。luggage属英式英语，是随身携带行李的总称；baggage属美式英语，是各种行李的总称。询问行李的多少，用how much引导疑问句；指行李的件数，需与a piece of或an article of连用。例如：
two pieces of luggage／baggage 两件行李
three articles of luggage／baggage 三件行李
How much baggage／luggage does she have？她有多少行李？
