If there is one fact about mondern Britain that should cause us more shock and disappointment than any other,it is that social mobility seems to be declining.是什么意思_If there is one fact about mondern Britain that should cause us more shock and disappointment than any other,it is that social mobility seems to be declining.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句