Using this method, a connection is created each time you access the database from your program, thereby incurring a substantial processing overhead.
通过该方法，每当您从程序访问数据库时，都要创建连接，从而招致大量的处理开销。
There are both internal connection and substantial difference between the modern logistics and the traditional freight transportation plus storage.
现代物流同传统货运与仓储既有内在联系又有本质区别。
There are both internal connection and substantial difference between the modern logistics and the traditional freight transportation plus storage.
现代物流同传统货运与仓储既有内在联系又有本质区别。
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