任何一项行动都是有风险和代价的,但是和舒舒服服的不行动相比较,这样的风险和代价在长远看来是要小的多的.
 
There are risks and costs to a program of action.But they are far less than the long range risks and costs of comfortable inaction.
                                                                                                 (John F.Kennedy)
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