In the latter,a lag of only three to five years -- to say nothing of 8 to 10 or 10 to 20 -- creates a really big gap.是什么意思_In the latter,a lag of only three to five years -- to say nothing of 8 to 10 or 10 to 20 -- creates a really big gap.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句