https://genesis-aka.net/language/chinese/2022/11/18/%e4%bb%a5-biv-%e7%ad%89%e4%b8%ad%e7%ba%a7%e5%80%ba%e5%88%b8%e5%9f%ba%e9%87%91%e4%b8%ba%e7%9b%ae%e6%a0%87/
以 BIV 等中级债券基金为目标