老师，what is a disclaimer？ is an announcement claiming somebody is not responsible for this price information discrepency or not? If so,the issuer of the disclaimer can be absolved from requirement of compliance with law, why would he do like B?

60题，能用答案里的公式吗？不是不能用定义式吗

Annual unit credit（年度单位信用）这个概念是指员工未来养老金在退休年的价值，除以员工自入职至退休为止的总工龄。这个概念在网课里貌似没有被明确强调，是因为它不重要，还是因为它在其他部分会被重新提及？谢谢

4页PPT，如何理解：Not prohibit legitimate... inefficiency.。这句话？

20页PPT中，引用知名机构的数据，不必具名引用么？

9-34页PPT，能否简要说下这页的意思？没看懂。

老师，企业理财２５，conventionalCF是什么意思？还有根据NPVprofile，IRR不变的话那根直线就每动，那NPV不应该保持不变？IRR为什么不变呢？

视频播放地址失效

我聘请的第三方管理机构出现道德问题，我是否违反监管责任或者违反其他道德？

老师请问，the cautionary letter issued by designated officer is wether the public censure ? If not , what purpose the designated officer has when issuing it ?what effect it has during the whole proceeding and on the suspected member?