帮忙翻译一下这段英文吧，非常感谢！

Many people have the mistaken impression that all insurance companies charge the same prices.
许多人都误以为所有的保险公司所收费用都是一样的。
Although it is true that some insurers charge "standard' prices,there is a wide range of prices in most lines of coverage .
尽管确实有些险种是按照标准收费的，但是大部分在保险范围上价格出入都是很大的。
A survey of twelve automobile insurers in one city showed that for a particular policy five of them were charging ＄544,while the other seven offered the same policy to the same person for various prices ranging as low as ＄318.
一项对同一城市的12辆汽车的调查表明，对某一特殊政策，其中5辆交纳544美元的费用，而其他7辆车对于同样的政策给同样的人交纳的费用则不同，有的低至318美元。

Many people have the mistaken impression that all insurance companies charge the same prices.
许多人都存在对于所有保险公司的收费标准都是一样的这种错误的印象。

Although it is true that some insurers charge "standard' prices,there is a wide range of prices in most lines of coverage.
虽然，有些保险公司对于一样的险种采取标准收费，也是事实。但大部分的保险业界中却存在着各式各样的收费。

A survey of twelve automo