It also pleads for lower highway speed limits again, stressing the benefits in fuel consumption and highway safety that were realized in 1974 when the highway speed limit was dropped to 55 mph.是什么意思_It also pleads for lower highway speed limits again, stressing the benefits in fuel consumption and highway safety that were realized in 1974 when the highway speed limit was dropped to 55 mph.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句