You should save some money in case of urgent need.
你应该存点钱以备不时之需。
When the wound is healed, the pain is forgotten.
好了伤疤忘了痛。
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