A：Come on, Mary. We have to do the laundry.走吧，瑪麗。我們必須洗衣服了。
B：Where are we going?要去哪兒?
A：Down to the basement.到下面的地下室去。
B：Do you have a washer down there?地下室那里有洗衣機(jī)嗎?
A：Yes. We have a dryer, too.有啊。還有一臺(tái)干衣機(jī)。
B：That's so convenient. Where are the dirty clothes?那太方便了。臟衣服呢?
A：They are in the basement already.已經(jīng)在地下室了。
B：But I didn't see you carry them down.可是我沒有看到你拿衣服下去呀。
A：Don't you know that we have a laundry chute in the house?難不成你不知道我們屋內(nèi)有衣物滑落槽?