The chief weapon in the arsenal of those fighting visual pollution here is a law that restricts the type, size, number and placemen of roadside advertising sign.是什么意思_The chief weapon in the arsenal of those fighting visual pollution here is a law that restricts the type, size, number and placemen of roadside advertising sign.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句