As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.
由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。
Even when he was wrong it forced people to find out what was closer to the truth.
甚至是当他出错的时候，他的错误理论也鞭策人们去寻找更加接近真相的理论。
When I reached the Mississippi River at its source in northern Minnesota, a grocery clerk made sure to inform me that I was closer to the finish than the start.
当我到达密西西比河位于北明尼苏达州的源头的时候，当时一个食杂店的店员很肯定的告诉我，说比起出发点，现在的位置离终点更近一些。
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