今日阅读

 
George’s Secret Key to the Universe 乔治开启宇宙的秘密钥匙
written by Stephen Hawking
 
虽然是儿子要买的书,一下午看完了。如今仍对相对论不敢问津,与伟人的同道旅行只能可望不可即。霍金对黑洞的看法,颇耐人玩味。
 
雷力连锁品牌经理培训讲义
 
雷力在农资的连锁经营模式,有可注意之处。连锁经营的类型:直营连锁、加盟连锁、自愿连锁。
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