不要害怕学习，知识没有重量，它是你随时可以获取的又随时可以携带的宝库。 -------------- next part -------------- A non-text attachment was scrubbed... Name: ??.xlsx Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet Size: 12744 bytes Desc: not available URL: <http://projects.haskell.org/pipermail/haskeline/attachments/20140707/411b5b46/attachment.bin>