## zh-CN 间距预设大、中、小三种大小。 通过设置 `size` 为 `large` `middle` 分别把间距设为大、中间距。若不设置 `size`,则间距为小。 ## en-US `large`, `middle` and `small` preset sizes. Set the size to `large` and `middle` by setting size to large and middle respectively. If `size` is not set, the spacing is `small`.