一般来讲，应收账款预期拖欠的时间越长，账款催收的难度越大，成为坏账的 可能性越高。
BGP使用IP协议传输报文，在两个路由器开始BGP会话前，必须首先建立IP连接。
滥用职权罪的犯罪的主观方面必须是（）。 ["过失","无意","故意"]
教师在社会中充当着哪些角色？你以前是怎样理解教师角色的？
You work as an application developer at Certkiller .com. You have recently created an application domain for Certkiller .com. A few weeks later， you are required to determine if assembly references in this application domain， which is the current application domain， are being cached. What property should you use to achieve this objective？（） [" AppDomain.CurrentDomain.ShadowCopyFiles"," AppDomain.CurrentDomain.CachePath"," AppDomain.CurrentDomain.ConfigurationFile"," AppDomain.CurrentDomain.Evidence"]
腓尼基
