The postal industry is considered to be the natural monopoly industry traditionally.

邮递业在传统上被认为是自然垄断产业。

youdao

The postal industry is a traditional natural monopoly industry with obvious network characteristics.

邮政产业属于传统意义上的自然垄断产业，具有明显的网络特性。

youdao

Regulation or deregulation in natural monopoly industry finally depends on cost benefit analysis of regulation.

对自然垄断产业实行规制还是放松规制，最终取决于对规制的成本-收益分析。

youdao

It is true that, to a very large extent (large consumers like industry much less so, households definitely so), power distribution is a natural monopoly.

FORBES: Which Should We Have: Public Utilities Or Regulated Private Monopolies?