品牌只是一种看法,而随着时间的推移,看法将与现实相匹配。有时它会领先,有时它会落后。但品牌只是一些人对产品的集体印象。
在距离与重量成反比的情况下,物体处于平衡状态。
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
Economics is at its best when it helps us solve real-world problems in a rigorous and transparent way.