But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事,我把日期弄错了,而且到现在才知道这个错误。
During a radio programme, a company of biscuit manufacturers once asked listeners to bake biscuits and send them to their factory.
有一次,在电台播放的节目里,一个生产饼干的公司请听众烘制饼干送到他们的工厂去。