求翻译：今天，我看了一个讲安全的故事。它说，当你在做公共车的时候，背包应该背在前面，放在后面小偷容易偷到。如果又不认识的人跟踪你，你要穿过马路，走另一条路，让他知道他在跟着你。读了这个段故事。我也知道了在外面怎么保证安全了。是什么意思？

Today, I read a story about safety. It is said that when you are doing the public when the car, backpack should be back in front on the back of the thief to steal easily. Not know if people follow you, you have to cross the road, go the other way and let him know that he follow you. Read this sectio

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Today, I looked at one to tell the safe story.It said, when you in makes the public vehicle time, the knapsack should carry in front, puts behind the thief easily to steal.If did not know the human tracks you, you must pass through the street, walks another road, lets him know him with you.Read this

Today tell I watched a security story. It said that when you are making public a car when backpack should be back in front, behind the thief easily stolen. If people do not know you, you have to cross the road, going the other way and let him know he is with you. Read this story. I also know how to

Today, I can see the story of a successful security. It said that when you are making public a car when backpack should be back in front, behind the thief easily stolen. If unknown people tracking you, you cross, take another road, lets him know him follow you. Reads this story. I also know how to e