2. The seat belt
学会解安全带
How do you undo your seat belt in your car? You press a button. In a plane, you lift a latch. If you can`t undo your seat belt then, you can`t evacuate and your chances of survival plummet.
你如何解开汽车上的安全带？答案很简单：按下按钮便可。而在飞机上，你需要打开插销才能解开安全带。如果你不能正确地解开安全带，那么你就无法逃生，生还机会也会十分渺茫。