在任人程序中，整个组织的联系是非常有用的。
Contacts throughout the organization can be very helpful during the staffing process.
该类对于此类应用程序非常有用。
验证非常有用—毕竟，如果应用程序不能识别那些元素，处理文档又有什么意义呢？
Validating is useful — after all, what's the point in processing documents if the application does not recognize the elements?
应用推荐