A：Come on, Mary. We have to do the laundry.走吧，玛丽。我们必须洗衣服了。

B：Where are we going?要去哪儿?

A：Down to the basement.到下面的地下室去。

B：Do you have a washer down there?地下室那里有洗衣机吗?

A：Yes. We have a dryer, too.有啊。还有一台干衣机。

B：That's so convenient. Where are the dirty clothes?那太方便了。脏衣服呢?

A：They are in the basement already.已经在地下室了。

B：But I didn't see you carry them down.可是我没有看到你拿衣服下去呀。

A：Don't you know that we have a laundry chute in the house?难不成你不知道我们屋内有衣物滑落槽?