人们可以说，“我想从这儿开始新的段落”，并由程序精确地计算出这个距离是距离左边缘1.347英寸，而不是要求用户来输入1.347。

• Someone can say, in effect, “here is where I want the paragraph to start,” and let the application calculate that it is precisely 1.347 inches in from the left margin instead of forcing a user to enter 1.347.