Practice attempting to totally abandon the natural monopoly theory has already been proved wrong too.

试图完全抛弃自然垄断理论的实践已被证明是错误的。

youdao

Practice attempting to totally abandon the natural monopoly theory has already been proved wrong too.

试图完全抛弃自然垄断理论的实践已被证明是错误的。

youdao