Type the text that you want to display in the field. If you are inserting a placeholder field, type the text that you want to display as a help tip when you rest the mouse pointer over the field.
在此为各个字段类型输入提示。如果插入的是占位符字段，请键入将鼠标指针停留在字段上方时要作为帮助提示显示的文本。