Enter the amount of space to leave between the left page margin (or the left edge of the text object) and the left edge of the numbering symbol. If the current paragraph style uses an indent, the amount you enter here is added to the indent.
输入要在页面左边距（或文本对象的左边缘）和编号符号左边缘之间留出的间距量。如果当前段落样式使用缩进，则会将此处输入的缩进量加到原有缩进量上。