If you have always done it that way, it is probably wrong. - Charles Kettering.
如果你一直用这种方法做事，那它很可能是错误的。——查尔斯·凯特宁。
If you have always done it that way, it is probably wrong. - Charles Kettering.
如果你一直用这种方法做事，那它很可能是错误的。——查尔斯·凯特宁䓌。
If you have always done it that way, it is probably wrong. - Charles Kettering.
如果你一直用这种方法做事，那它很可能是错误的。——查尔斯·凯特宁䓌。
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