所有电子书均来自国际互联网，这次数据库里只收录了其中一部分目录名称，其余部分将持续更新。

短语 in a nutshell 意思是简言之、简单地说。常用在总结报告消息的语境中。 例句 You haven't studied hard enough and did badly in your exams. In a nutshell, you'll have to sit this year's class again next year. Our company didn't sell ...