This was mostly because in the 16th century, China changed its tax structure.

这主要是因为在 16 世纪，中国改变了税收结构。

They're making sure that whatever tax structure is worked out doesn't leave their little towns holding the bill for all those services.

他们确保无论制定出何种税收结构，都不会让他们的小镇为所有这些服务买单。