还有这题的答案讲解里有一堆计算，视频没讲计算，怎么从答案文字讲解的计算角度来理解？

1.老师能否从字面读题翻译和字面阅读理解的角度讲一下这问的是什么意思，而不是知道答案带着答案推的思路来讲。这题的难点在于它的表述难以理解。2.答案的解释里写Impaired assets have decreased each year while strong credit quality assets have increased each year, which suggests lowering impairment allowances as a result of improving credit quality of these financial instruments. 也难以理解其意，烦请老师指点迷津！

老师，我自己算的2017年的total liquid asset的比率是16.3%，不是18.7%。老师能看一下哪个数值对和为什么吗。

如果Combined ratio越低越好，Dividends to shareholders ration越高越好，那最后Combined ratio after dividend要怎么判断好不好呢？

能不能再详细讲讲这个溢价和折价债券的CFF和CFO怎么被高估和低估？怎么去理解和记忆？

这里多的14块钱不是投资者借的吧？是市场利率比票面利率高所赚取的差价吧？怎么会是投资者借的呢？

这个interest expense不是一开始说记在income statement吗？怎么后面这个偿还利息84.12又记在cash flow stament operation了？到底是记在I/S还是CFO？

price-weighted 对于rebalancing有什么要求？

建议即将退休的客户转变投资，有没有违规？

第四题，完全不理解First, I actively seek out the opinions of our team members and look for information from a range of sources to challenge my existing beliefs. Second, I seek contrary viewpoints from other investors and sell-side analysts, as well as set and enforce proper portfolio diversification rules. 不都是在找反方观点挑战自己，避免在自己过度自信吗，这还不够吗？