Recently, a inside old city vintage hotel is overcome because of Si Bulu in Austria, an Asia lives because the guest lost the key of hotel, received hotel boss to open the day value that give to punish sheet, amount exceeds 10000 Europe. This lives the guest was stupefied, consult a lawyer at once, attainable answer makes him however more astonish: Lose the key, be punished 10 thousand Europe is completely reasonable, it is decimal eye only. Trifling a key, how should the likelihood compensate for on 10 thousand euro! ? Sheet is punished in what this tourist is left to go out in, include this hotel to want to change unexpectedly all the charge of 27 doors door lock, add up to more than 6000 Europe, plus during changing a lock, hotel is forced the loss of close down 4000 Europe, the day price that made unimaginably queer of party of this Zhang Ling punishs sheet. Be in China, the business that loses the key happens from time to tome, remedy measure relatively simple also, the place that matchs the key is found very easily also, a key opens a lock, flower a few money can match a key afresh, be no good really give door lock changed, most namely the thing of hundreds of money. And the country is fastened in the German such as Austria, Germany, Switzerland, the circumstance differs completely. In these countries, use system of central door lock hotel, hotel, block of flats, office building mostly, mix the door lock of public section namely the door lock of private independence is compositive management, need a key only, with respect to the entrance door that can open oneself and other size door, still can open door of door of village gate, garage, vault door, rubbish to wait a moment, this is meant in case the key is missing, not only oneself door should change a lock, all door lock of whole building should change, the loss that cause is more than be being gotten greatly in the imagination. Accordingly, local can regard the key as his life root, want appropriate to keep anyhow, because once lose, disastrous degree compared losing to be robbed even serious still. Additional, when the tourist is entering vintage hotel and hotel, the key is hypostatic commonly, the room that does not use an electron to change blocks a system, the key of the door also should have kept, the check when perhaps going out is advanced stage, lose in case. But do not be afraid of 10 thousand, be afraid of only in case, how should avoid to lose the loss of a huge sum after the key really? Be in actually Austria, Germany, Switzerland these countries, insurance system very develop, plant nearly rich also diversity, people can buy a place difficult of access of tripartite responsibility, in order to keep the loss that oneself cause because of the accident, lose the key for example, oneself innocently crack up of the shop brittle article etc, can have insurance safeguard, because this goes when European country travel, it is very important also to buy insurance.