When you go to work in the morning and find that traffic lights don't work, the traffic jam will certainly happen.
当你早上上班时发现红绿灯不亮，交通堵塞肯定会发生。
A patient needs to be operated on at once. What will happen if the operation cannot be made because of the electricity.Without electricity, we can neither watch TV, listen to the tape, nor chat on line. Electricity is closely related to our daily life.
病人需要马上动手术。如果没有电，我们既不能看电视，听磁带，也不能在网上聊天。电与我们的日常生活息息相关。
How terrible it would be if there were no electricity!
如果没有电，那将是多么可怕！