https://ruby-china.org/coldsummer en-us <p>看到招聘帖很多都说是有期权，不太明白期权有什么用处，求大神帮普及一下知识。</p> coldsummer Wed, 23 Sep 2015 09:15:19 +0800 https://ruby-china.org/topics/27441 https://ruby-china.org/topics/27441