Based on this line, it appears that Google expect the click through rate in any position to be about 65% of the next position up.

基于上面的曲线看来，Google希望在任何位置的点击率都应该在上一位置的65%左右。

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This is an area named after Alfred Wallace, who in the 19th century noted that the land-based fauna on either side of this line was distinctly different.

这个区域是以阿尔弗雷德·华莱士的名字命名，在19世纪，他发现在这条分界线两边的动物群之间存在着非常明显的差异。

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The bottom line is this: Incentive pay is an effective tool in situations where performance can be fairly measured and where it is based largely on individual effort.

归根结底，当业绩可以公平衡量且主要取决于个人努力时，激励性薪酬是一项有效的工具。

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