The fee for the extra year of protection was a considerable expense.

加保的额外年度的费用是一宗相当大的消费。

youdao

Many countries spent billons of dollars on environment protection every year.

许多国家每年花费巨资对环境污染进行监测和治理。

youdao

Many countries spent billons of dollars on environment protection every year.

许多国家每年花费巨资对环境污染进行监测和治理。

youdao