The children's performances brought down the house.
孩子们的演出博得满场喝彩。
I'm afraid I spilled coffee on the tablecloth.
对不起,我把咖啡洒到桌布上了。
when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv