I included some blank line up here.

我在这里写了一些空行。

I could technically get rid of this blank line.

从技术上讲我可以去掉这一行。

There were three blank lines after " high school" to list more education.

申请表上“高中”之后还有3行线 用来填写接受过的其他教育。

Leave three blank lines between the date and the body of the letter.

【body】日期和信的正文之间留空三行。

Plus, they can make it asterisks or blank lines or anything they want -- whatever works best for them.

另外，他们可以将其设为星号或空行或他们想要的任何内容——任何最适合他们的内容。

You can put blank lines between the date and the inside address to fill the page better and to improve the appearance.

您可以在日期和内部地址之间放置空行，以便更好地填充页面并改善外观。