这个版的资源我不太满意，但够用了，第6版（成大先版）的随后会更新在本页。 套装书目：1.常用设计资料；2.机械制图 极限与配合 表面粗糙度；3.常用工程材料；4.联接与紧固；5.轴及其联接；6.轴承；7.弹簧；8.起重运输机械零部件；9.操作件 小五金及管 […]
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I won't close down a business of subnormal profitability merely to add a fraction of a point to our corporate returns. I also feel it inappropriate for even an exceptionally profitable company to fund an operation once it appears to have unending losses in prospect. Adam Smith would disagree with my first proposition and Karl Marx would disagree with my second; the middle ground is the only position that leaves me comfortable.
- Warren Buffett
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