It depends——看情况而定
One day a doctor went to a store and bought a pair of shoes.Before he left the shoes counter,he asked the salesgirl:" How long will this pair of shoes last?" 一天,一位医生到鞋店买了双鞋.他在离开柜台之前,问售货员：“这双鞋能穿多长时间?”
"It depends.If you don t use it,the shoes will never wear out."“看情况而定.如果您不穿它,那它们永远也不会坏.”
Several days later the salesgirl fell ill and went to a hospital.And the happened to be the customer she served.After the girl got the prescription from the doctor,she asked:"How soon will I get better with the medicine?"几天后,这位售货员病了,去医院看病.这位医生碰巧是那位顾客.当售货员拿了处方后,问道：“吃了这药,我的病多长时间才能好呀?”
"It depends." The doctor answered,"If you don t use it,you will never get better.“看情况而定.”医生说,“如果你不吃药,你的病永远也好不了.”