Details:
SIP-185: Debt Shares replaces the currently used debt ledger by issuing or burning a number of share tokens when sUSD is minted or burned.
This change paves the way for many highly anticipated features such as debt pool synthesis, ending snapshotting, etc.
细节：
SIP-185：在铸造或烧制sUSD时，通过发行或烧制大量股票代币，债务股取代了当前使用的债务分类账。
这一变化为许多备受期待的功能铺平了道路，如债务池合成、结束快照等。