canons of taxation

例句：

1. 1. The canons of taxation arethe foundational principles that guide the collectionof taxes.
   税收的准则是指导税收征收的基础原则。
2. 2. The government has been workingto update its canons of taxationto better align with international standards.
   政府一直在努力更新其税收准则，以更好地与国际标准保持一致。
3. 3. The canons of taxation are constantly evolving as new technologiesemerge and existing ones become obsolete.
   税收的准则随着新技术的出现和现有准则的过时而不断演变。