base of taxation

例句：

1. 1. The government is considering raising taxes onthe wealthy to help fund public services.
   政府正在考虑对富人增收税，以资助公共服务。
2. 2. The company's tax basehas expanded significantly in recent years.
   该公司近年来的税收基础显著扩大。
3. 3. Thenew law will have asignificant impact on the tax baseof small businesses.
   新法律将对小企业的税收基础产生重大影响。