Switching cost" in telecommunication service field leads to the phenomenon of "custom locked in".
电信服务领域的“转换成本”导致“顾客锁定”现象的产生。
However, the real estate service market is prosperous, which follows it is all kinds of disputes in the real estate service field.
但是，伴随日益繁荣的物业服务市场的却是不断发生的物业服务领域的纠纷。
The classification and service field of the glass were also outlined from the view point of preparation and mechanism. The characteristics of each glass was explained.
从玻璃的制备方法和玻璃的特点的角度，对抗菌玻璃进行了分类，并以此为基础介绍了抗菌玻璃的应用领域。
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