He used it so effectively that,although he was then making only $12,000 a year,he accumulated a great fortune,and retired from active business while still a young man.是什么意思_He used it so effectively that,although he was then making only $12,000 a year,he accumulated a great fortune,and retired from active business while still a young man.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句