一种更值得推荐的解决方案是利用计费程序包的数据库，这个数据库中已经保存了事务的一个副本。
A more promising solution is to take advantage of the accounting package database, which holds a copy of the transactions.
对于这些公司公司我推荐一个web前端(web front - end)服务器和一个数据库服务器。
It is for these companies that I would recommend one web front-end server and one database server.
应用推荐